This is a comprehensive list. Not all parameters listed are available for all applications.

Base Operating Conditions: Engine Idling/Radiator Hose Hot/Park or Neutral/Closed Loop/Accessories OFF

5-V Reference 1–5 Circuit Status

—

OK

This parameter will display OK if the circuit is good or Malfunction if a short to ground, short to B+ or open circuit is present.

5 V Reference 1, 2, 3, 4 or 5

Engine Idling

5 Volts

This parameter displays the voltage sensed on the 5 V reference circuits at the control module. The scan tool will display a higher value at higher voltage. The scan tool will display a lower value at lower voltage.

4WD Low Signal

—

Enabled, Disabled, Invalid

This parameter contains several signals associated with the status of the four wheel drive system.  

A/C Compressor Clutch Relay Command

A/C On

On

This parameter displays the commanded state of the air conditioning (A/C) compressor output.

A/C Compressor Clutch Relay Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is shorted to voltage.

A/C Compressor Clutch Relay Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is shorted to ground.

A/C Compressor Clutch Relay Control Circuit Open Test Status

—

OK

This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is opened.

A/C Disable – A/C Pressure Out of Range

A/C ON

No

This parameter indicates if the A/C compressor was disengaged due to pressure out of range.

A/C Disengage History 1–8

—

Varies

This parameter indicates the last 8 A/C disengage history reasons. These events might include:

• Refrigerant Pressure Too High
• Engine Speed
• Battery Voltage Out of Range
• Engine Stall Prevention
• Engine Speed Unstable
• Wide Open Throttle
• Vehicle Launch Acceleration
• Engine Coolant Temperature Too High
• Driver Motor Control Module Coolant
• Temperature Too High
• Transmission Fluid Temperature Too High
• Maximum Accelerator Pedal Position
• Air Bag Deployed
• Hybrid Battery Pack State of Charge Too Low
• Air Conditioning Relay Malfunction

A/C High Side Pressure Sensor

A/C OFF

1.43 Volts

The scan tool displays 0–5 volts. The voltage applied to the ECM input for the A/C refrigerant pressure sensor.

A/C ON

2.39 Volts

A/C High Side Pressure Sensor

A/C OFF

500–2,220 kPa (72–310 psi)

The scan tool displays 0–3450 kPa (0–500 psi). The voltage applied to the ECM input from the A/C refrigerant pressure sensor is converted to a pressure value.

A/C ON

300–1,220 kPa (43–170 psi)

A/C OFF for WOT

A/C ON/WOT

No

The scan tool displays Yes/No. The state of the A/C request related to wide open throttle.

A/C ON/Not WOT

Yes

A/C Request Signal

A/C ON

Yes

The scan tool displays Yes/No. The HVAC module receives an input request when the HVAC module is turned On.

A/C OFF

No

Accelerator Pedal Position

Accelerator pedal not actuated

0%

This parameter displays the angle of the accelerator pedal as calculated by the control module using the signals from the accelerator pedal position sensors. The accelerator pedal position (APP) indicated angle is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed.

Accelerator pedal fully actuated

100%

Accelerator Pedal Position When Engine Overspeed Detected

Engine Idling

%

This parameter displays the accelerator pedal position (APP) observed upon initial detection of an overspeed condition. This value will be updated upon each overspeed condition.

Ambient Air Temperature

—

Varies

Outside temperature at any given altitude expressed in degrees

Ambient Humidity

—

Varies

Outside humidity at any given altitude expressed in a percentage.

APP Sensor 1

Accelerator pedal not actuated

0.7–1.2 Volts

This parameter displays the voltage signal sent to the control module from APP sensor 1 of the APP sensor assembly. APP sensor 1 is a range of values indicating a low voltage when the accelerator pedal is not depressed to a high voltage when the accelerator pedal is fully depressed.

Accelerator pedal fully actuated

4.2–4.5 Volts

APP Sensor 1 and 2

—

Agree

This parameter displays Disagree if the control module detects the signal voltage from APP sensor 1 is not in correct relationship to APP sensor 2. The scan tool displays Agree under the normal operating conditions.

APP Sensor 1 Circuit Status

—

OK

APP Sensor 1 Out of Range indicates that the sensed accelerator pedal position 1 sensor value is currently out of range or that a Malfunction has been detected based upon the sensed accelerator pedal position 1 sensor value being out of range

APP Sensor 1 Learned Released Position

—

Volts

This Parameter indicates the accelerator pedal sensor 1 signal at its minimum learned position (pedal released) as a percentage of its reference voltage. (The minimum learned position is automatically updated periodically as determined by the engine control module (ECM).

APP Sensor 1 Position

Accelerator pedal not actuated

0.0%

This parameter displays the angle of the APP sensor 1 as calculated by the control module using the signal from the APP sensor 1. APP sensor 1 is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed.

Accelerator pedal fully actuated

100%

APP Sensor 2

Accelerator pedal at rest position

0.3–0.5 Volts

This parameter displays the voltage signal sent to the control module from APP sensor 2 of the APP sensor assembly. APP sensor 2 is a range of values indicating a low voltage when the accelerator pedal is not depressed to a high voltage when the accelerator pedal is fully depressed.

Accelerator pedal at WOT

2.0–2.5 Volts

APP Sensor 2 Circuit Status

—

OK

APP Sensor 2 Out of Range indicates that the sensed accelerator pedal position 2 sensor value is currently out of range or that a malfunction has been detected based upon the sensed accelerator pedal position 2 sensor value being out of range

APP Sensor 2 Learned Released Position

—

Volts

This Parameter indicates the accelerator pedal sensor 2 signal at its minimum learned position (pedal released) as a percentage of its reference voltage. (The minimum learned position is automatically updated periodically as determined by the engine control module (ECM).

APP Sensor 2 Position

Accelerator pedal at rest position

0.0%

This parameter displays the angle of the APP sensor 2 as calculated by the control module using the signal from the APP sensor 2. APP sensor 2 is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed.

Accelerator pedal at WOT

100%

APP Sensors

—

%

This Parameter contains the accelerator pedal position resulting directly from the settling of differences of the accelerator pedal position sensors (prior to any compensation to determine driver intent).

Average Reductant Consumption

—

g/km

This parameter displays the average reductant consumption in gallons per kilometer.

Average DPF Regeneration Duration

—

hh:mm:ss

This parameter contains the mean duration of the diesel particulate filter regenerations. The value in this parameter shall be updated after every diesel particulate filter regeneration attempt.

Average DPF Inlet Temperature During Regeneration

—

ºC (ºF)

This parameter contains the mean diesel particulate filter inlet temperature, during the diesel particulate filter regenerations. 

BARO Sensor 1-2

—

Varies with altitude

This parameter displays the barometric pressure in kPa.

BARO Sensor 1-2

—

Varies with altitude

This parameter displays the barometric pressure in volts.

Base Injector Fuel Rate

—

Varies

This parameter displays the base calculated rate fuel delivered. The rate is calculated in cubic millimeters.

Battery Type

Ignition ON

N/A

This parameter displays the battery type.

Battery Voltage

Ignition ON

Volts

This parameter displays the battery voltage.

Battery Voltage High Resolution

Ignition ON

Volts

This parameter displays the high resolution battery voltage value.

Boost System Monitor Complete

—

Yes

The scan tool displays Yes when the Boost System Monitor is Complete. If the scan tool displays No this could indicate a malfunction in the Boost System Monitor circuit.

Boost System Monitor Complete This Ignition Cycle

—

Yes/No

The scan tool displays Yes when the Boost System Monitor Complete This Ignition Cycle is completed.

Boost System Monitor Enabled

—

Yes

The scan tool displays Yes when the Boost System Monitor is Enabled. If the scan tool displays No this could indicate a malfunction in the Boost System Monitor circuit.

Boost System Monitor Enabled This Ignition Cycle

—

Yes/No

The scan tool displays Yes when the Boost System Monitor is Enabled during an ignition cycle.

Brake Pedal Position Circuit Signal

Released

Applied/Released

This parameter displays the status of the brake pedal position circuit.

Brake Pedal Position Sensor

—

Volts

This parameter displays the brake pedal position sensor in volts.

Brake Pedal Position Sensor

—

%

This parameter displays the brake pedal position sensor in percentage applied.

Brake Pedal Position Sensor Learned Released Position

—

Volts

This parameter displays the brake pedal learned released position in volts.

Brake Pedal Position Sensor Signal

Released

Applied / Released

This parameter displays the status of the brake pedal as determined by the ECM.

Calculated Catalyst Temperature

—

°C (°F)

The parameter displays the calculated catalyst temperature in both Celsius and Fahrenheit.

Calculated NOx Catalyst Efficiency

—

%

This parameter contains the estimated average efficiency determined by the SCR (Selective Catalyst Reduction) efficiency monitor.

Calculated DPF Flow

—

kPa/(liter/s)

This parameter displays the filtered flow resistance of the DPF.

Calculated Particulate Filter Soot Accumulation

—

%

This parameter contains the most reliable estimation of the soot mass trapped in the diesel particulate filter.

Calculated Soot Mass Causing DPF Pressure Differential

—

g

This parameter displays the calculated soot mass causing a DPF pressure differential.

Calibration History Buffer

—

Locked/Unlocked

This parameter displays when the calibration buffer has been locked against further updates due to detection of a non-production calibration.

Calibration Verification Number History 1 – 10

—

#

This parameter displays the history of calibration verification from 1–10.

Camshaft Position Active Counter

—

Counts

This parameter displays an incrementing counter when the control module receives a signal from the camshaft position sensor.

Camshaft Position Sensor

Engine Idling

0 RPM

This parameter displays the speed of the engine as calculated by the signal from a camshaft position (CMP) sensor. This parameter will always display 0 unless a condition with the CKP sensor or CKP reluctor exists. If a CKP condition exists the control module will use a valid CMP sensor signal to determine engine speed and crank/camshaft position.

Camshaft Position Signal Output Circuit High Voltage Test Status

Engine Idling

OK

This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is shorted to voltage.

Camshaft Position Signal Output Circuit Low Voltage Test Status

Engine Idling

OK

This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is shorted to ground.

Camshaft Position Signal Output Circuit Open Test Status

Engine Idling

OK

This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is open.

Catalyst Monitor Complete

—

Yes

This parameter indicates the status of the Catalyst. The scan tool displays Yes when the diagnostic is complete. And No if the diagnostic has Not ran or a malfunction is detected in the Catalyst.

Catalyst Monitor Complete This Ignition Cycle

—

Yes/No

This parameter indicates the status of the catalyst monitor diagnostic. Catalyst Monitor Test Running indicates Yes or No when the catalyst monitor diagnostic is actively running a test

Catalyst Monitor Enabled

—

Yes/No

The scan tool displays Yes when the Catalyst Monitor is Enabled. If the scan tool displays No this could indicate a malfunction in the Catalyst Monitor circuit.

Catalyst Monitor Enabled This Ignition Cycle

—

Yes/No

This parameter indicates the status of the catalyst monitor diagnostic. Catalyst Monitor Test Running indicates Yes or No when the catalyst monitor diagnostic is actively running a test

Change Engine Oil Indicator Command

—

Off

Engine Oil Change Indication On indicates that the change engine oil indication is being requested On in order to inform the driver that the engine oil needs to be changed.

Charge Air Cooler Temperature

—

Varies

This parameter displays the charge air cooler temperature measured by a sensor located first in the charge air cooler stream.

Charge Air Cooler Inlet Temperature

—

ºC (ºF)

This parameter contains the undefaulted charge air cooler temperature measured by a sensor located first in the charge air cooler stream in relationship to any other charge air cooler temperature sensors in the system.

Charge Air Cooler Outlet Temperature

—

ºC (ºF)

This parameter contains the undefaulted charge air cooler temperature measured by a sensor located second in the charge air cooler stream in relationship to any other charge air cooler temperature sensors in the system.

{ If equipped }Clutch Pedal Starter Inhibit Switch

Engine Idling

On

This parameter displays ON when the clutch pedal is released.

{ If equipped }Clutch Pedal Switch

Engine Idling

Released

This parameter displays the state of the clutch pedal as determined by the control module from the clutch pedal switch.

Component Monitor Complete

—

Yes/No

This parameter displays Yes when the Component Monitor is Complete. The engine control module looks at many input and output components to make this determination. If a malfunction is detected the scan tool will display No.

Component Monitor Enabled

—

Yes/No

This parameter displays Yes when Component Monitor is Enabled. And No when it is not Enabled.

Compression Test

—

Not Running

This parameter displays the status of the engine compression test.

Control Module Voltage Signal

—

B+

This parameter displays the voltage of the power input to the engine control module. Since battery voltage is not directly measured by engine control module, switched battery voltage from the Run/Crank input to the engine control module is displayed.

Cooling Fan Command

—

%

This parameter displays the cooling fan duty cycle.

Cooling Fan Control Circuit 1–2 High Voltage Test Status

—

OK

This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is shorted to voltage.

Cooling Fan Control Circuit 1–2 Low Voltage Test Status

—

OK

This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is shorted to ground.

Cooling Fan Control Circuit 1–2 Open Test Status

—

OK

This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is opened.

Cooling Fan Speed

Ignition ON

Varies

This parameter displays the current state of the cooling fan speed. (For example OFF, Low, Medium, or High) rather than rotational speed.

Cooling Motor Fan Command

—

%

This parameter displays the cooling fan duty cycle.

Crank Request Signal

—

Yes

This parameter displays the state of the crank request input to the control module from the ignition switch. The scan tool will display Yes when the ignition switch is in the Crank position. The scan tool will display No when the ignition switch is in any other position.

Crankshaft Position Active Counter

—

Counts

This parameter displays an incrementing counter when the control module receives a signal from the crankshaft position sensor (CKP).

Crankshaft Position Sensor

Engine Idling

RPM

This parameter displays engine speed.

Crankshaft Position Variation Learn

Ignition ON

Not Learned

This parameter displays if the crank angle learned this key cycle.

Crankshaft Position Variation Learn Status Engine Speed Range 1

—

Not Learned

This parameter displays the progress for the crank wheel adaption learning at 900–1450 rpm.

Crankshaft Position Variation Learn Status

Ignition ON

Complete

This parameter displays the status of the crank angle sensing error (CASE) learn algorithm.

Crankshaft Position Variation Learn Status Engine Speed Range 2

—

Not Learned

This parameter displays the progress for the crank wheel adaption learning at 1451–1900 rpm.

Cruise Control

—

Inactive

This parameter displays the status of the cruise control system as determined by the control module. The scan tool will display Active when the cruise control system is in control of vehicle speed. The scan tool will display Inactive when the cruise control system is not operating.

Cruise Control

—

Disabled

This parameter displays the status of the cruise control system as determined by the control module. The scan tool will display Enabled when the cruise control system is in control of vehicle speed. The scan tool will display Disabled when the cruise control system is not operating.

Cruise Control Cancel Switch

—

Inactive

This parameter displays the status of the cruise control cancel switch

Cruise Control Inhibit Reason

—

None

The parameter displays the reason the cruise control system cannot engage.

Cruise Control On/Off Switch

—

Off

This parameter displays the state of the On/Off switch input to the control module . The scan tool will display On when the cruise On/Off switch is ON. The scan tool will display Off when the cruise ON/OFF switch is OFF.

Cruise Control Resume/Acceleration Switch

—

Inactive

This parameter displays the state of the Resume/Accel switch input to the control module When the cruise control switch is in the On position and the Resume/Accel switch is activated, the scan tool displays On. When the Resume/Accel switch is released the scan tool displays Off.

Cruise Control Set/Coast Switch

—

Inactive

This parameter displays the state of the Set/Coast switch input to the control module from the cruise control system. When the cruise control switch is in the on position and the Set/Coast switch is activated, the scan tool displays Active. When the Set/Coast switch is released the scan tool displays Inactive.

Cruise Control Disengage 1–8 History

Cruise ON

Reason for Cruise Disengagement

These parameters indicate the last 8 reasons the ECM disengaged the cruise control. Reason 1 contains the most recent reason. The reasons may include the following: Brake Pedal Initialize, Cancel, Clutch, Coast Disengage, Coast Speed Low, TAC Inhibit, Accel Rate, Decel Rate, High Speed, Illegal Mode, Low Speed, None, Cruise Sw OFF, Over Set Speed, S/C On Speed Hi, ECM Inhibit, Simul S/C-R/A, TCS, Under Set Speed, DLC Override, Memory DTC, Eng Run Time, Engine Speed, DTC Set, RPM Limit, First Gear, APP Override, Low Voltage, D Whl Spd Low, D Whl Spd Hi, Cruise S/S, Cruise Sw Data, ECT Overtemp, VSES, Trans. DTC, BPP Data, BPP DTC, Park Brake, ACC Inhibit, ACC Brake DTC, ACC Option, ACC Brake Inop, PTO Active.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Balancing Rate

—

Varies

These parameters display the adjustment in fuel volume for each cylinder as calculated by the control module. The scan tool will display a negative balancing rate if the fuel volume is lowered. The scan tool will display a positive balancing rate if the fuel volume is increased.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Compression Test Time After TDC

—

Varies

This parameter displays the captured time it takes for the crankshaft to travel from Top Dead Center (TDC) to a calculated distance in degrees. The ECM stores the value from the latest performed engine compression test. A longer travel time indicates a bad cylinder.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Compression Test Time Before TDC

—

Varies

This parameter displays the captured time it takes for the crankshaft to travel a calculated distance in degrees before it reaches Top Dead Center (TDC). The ECM stores the value from the latest performed engine compression test. A shorter travel time indicates a bad cylinder.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Current Misfire Counter

—

Counts

This parameter displays the number of misfires detected for cylinder's 1–8 within the current 100 engine cycle test interval. The set of misfire counters for the individual cylinders are maintained such that if a single misfire is detected over an engine cycle.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 History Misfire Counter

—

Count

This parameter displays the number of misfires detected for cylinder's 1–8 since a misfire failure has been reported.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injection Timing

—

°

This parameter displays the start point of the main injection in degrees crank shaft (°CS) relative to Top Dead Center (TDC) of cylinder's 1–8.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Command

—

ms

This parameter displays the total injection time of cylinder's 1–8. Total injection time includes all pilot injections, main injections and post injections.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit Status

—

OK

This parameter displays the status of the fuel injector's 1–8 output malfunction for Short circuit from injector high side to ground or system voltage, Short circuit from injector low side to injector low side, Short circuit from injector low side to ground or system voltage, Short circuit from injector high side to low side and Injector open circuit.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit High Voltage Test Status

Ignition ON

OK

This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is shorted to voltage.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit Low Voltage Test Status

Ignition ON

OK

This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is shorted to ground.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit Open Test Status

Ignition ON

OK

This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is open.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Flow Identifier

—

Varies

This parameter is used to correct the injected quantity of each injector

When injectors are replaced or exchanged, the Injector Quantity adjustment values of the replaced or exchanged injectors have to be entered into the ECM to ensure acceptable engine performance regarding emissions

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Pilot Injection Command

—

On/Off

This parameter displays the pilot injection status information for the injectors.

Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Post Injection Command

—

ms

This parameter displays the 2nd fuel injection time for Cylinder's 1–8.

Cylinder Head Temperature Sensor

—

°C (°F)

This parameter displays the cylinder head temperature in °C (°F).

Deceleration Fuel Cut-Off

—

Inactive

Decel Fuel Cut Off Active indicates that the conditions to enable deceleration fuel cut-off (DFCO) are active and that torque is being reduced by turning off one or more fuel injectors

Desired Boost Pressure

—

Varies

This parameter displays the Turbocharger Boost pressure as commanded by the control module. This parameter shows the turbocharger boost pressure in kPa.

Desired Cooling Fan Speed

—

RPM

This parameter displays the desired fan speed for engine driven fan systems.

Desired EGR Position

—

%

This parameter displays the position of the exhaust gas recirculation (EGR) valve commanded by the control module. The scan tool will display 0 percent when the control module is commanding the EGR valve closed. The scan tool will display a higher percentage when the EGR valve is commanded open.

Desired EGR Cooler Bypass Valve Position

—

%

This parameter contains the desired exhaust gas recirculation (EGR) cooler bypass valve displacement (corrected based upon its learned minimum position).

Desired Fuel Pressure Regulator 1 Current

—

mA

This parameter displays the desired current for the fuel pressure control metering unit

Desired Fuel Pressure

Ignition ON

kPa (PSI)

This parameter displays the desired fuel supply pressure.

Desired Fuel Rail Pressure

—

MPa/PSI

This parameter displays the desired fuel rail pressure as calculated by the control module. This value is calculated based on engine speed, engine load, and sensor inputs. The scan tool will display a higher value at higher engine speeds and loads, and a lower value at idle.

Desired Idle Speed

—

600–825 RPM

This parameter displays the engine idle speed in RPM as commanded by the control module. The control module compensates for various engine loads in order to maintain the desired engine speed at idle. This parameter is not valid unless the engine is running.

Desired Intake Air Flow Valve Position

—

%

This parameter will display the position of the intake air flow valve as a percentage.

Desired NOx Catalyst Reductant Load

—

—

This parameter contains the NH3 (Ammonia) storage setpoint value for the SCR (Selective Catalyst Reduction) system in terms of gram.

Desired Reductant Injector Command

—

ms

This parameter contains the desired injection time of the reductant dosing valve.

Desired Reductant Pressure

—

kPa (PSI)

This parameter contains the desired reductant system pressure.

Desired Reductant Pump Speed 

—

RPM

This parameter contains the desired reductant pump motor speed.

Desired Turbocharger Vane Position

—

Varies

This parameter displays the position of the turbocharger vane position sensor as the turbocharger vane position is commanded by the control module. The scan tool will display 0 percent when the control module is commanding the vanes open. The scan tool will display a higher percentage when the vanes are commanded closed.

Diesel Particulate Filter Pressure

—

kPa (PSI)

This parameter contains the diesel particulate filter pressure calculated as the difference between ambient air pressure (barometric pressure) and the exhaust gas pressure

Distance Since DTC Cleared

—

km/miles

This parameter displays the distance accumulated since an emission diagnostic trouble code was cleared. The scan tool will display increasing distance as the vehicle is driven.

Distance Since First Malfunction

—

km/miles

This parameter displays the distance accumulated since first malfunction was captured. This parameter is only meaningful within the context of a failure record or freeze frame.

Distance Since Last DPF Regeneration

—

Varies

This parameter will display the amount of vehicle travel after a DPF regeneration. This parameter will be displayed in km/miles.

Distance Since Last Malfunction

—

km/miles

This parameter displays the distance accumulated since last malfunction was captured. This parameter is only meaningful within the context of a failure record or freeze frame.

Distance This Driving Cycle

—

km/miles

This parameter displays the distance a vehicle has traveled in the current driving cycle.

Distance Traveled

—

km/miles

This parameter displays the distance driven since the last electrically erasable programmable read only memory (EEPROM) initialization.

DPF Differential Pressure

—

kPa

This parameter displays the pressure difference between the first and second DPF pressure sensors.

DPF Differential Pressure (Corrected)

—

kPa

This parameter displays the adapted value of the DPF differential pressure sensor.

DPF Differential Pressure Sensor

—

Volts

This parameter will display the voltage differential between the front and rear pressures at the DPF as calculated by the ECM. This will be displayed in volts. As the DPF becomes restricted the differential pressure increases and the voltage will get higher.

DPF Indicator Command

—

Off

This parameter will display the status of the IPC mounted DPF status light. This parameter will display On/Off.

DPF Monitor Complete

—

Yes

This parameter displays the status of the DPF monitor, the parameter displays Yes when the monitor is complete.

DPF Monitor Complete This Ignition Cycle

—

Yes

This parameter displays Yes if completion status during the current driving / monitoring cycle of the DPF Monitor is complete.

DPF Monitor Enabled

—

Yes

This parameter displays Yes if the enabling conditions are complete.

DPF Monitor Enabled This Ignition Cycle

—

Yes

This parameter displays Yes if the enabled status during the current driving / monitoring cycle of the DPF Monitor is complete.

DPF Pressure Differential Due to Soot

—

kPa

This parameter will display the difference between the front and rear pressures at the DPF as calculated by the ECM due to soot.

DPF Regeneration Inhibit Reason

—

None

This parameter displays the regeneration interruption reason for normal regeneration.

DPF Regeneration Reason

—

None

This parameter displays the regeneration demand and completion status.

DPF Regeneration Status

—

Inactive/Active

This parameter displays the status of the Diesel Particulate regeneration activity.

DPF Regenerations Completed

—

Counts

This parameter displays the number of successful regenerations.

DPF Soot Accumulation

—

g

This parameter displays the mass of soot in the Diesel Particle Filter measured in grams

DPF Soot Mass Correction

—

g

This parameter contains the total correction to the soot mass caused by CRT (Continuous Regeneration Trap) effect.

Drag control Status

—

Active/Inactive

EDC Active (Drag Active) control mode is indicated when the requested torque signal is above the driver requested value while the traction control system signal input is active.

Driver Demanded Engine Torque

—

%

This parameter displays the requested torque output of the engine by the driver.

Drop Throttle Detected while Traction Control Active

—

No

Drop Throttle Control Mode is indicated when this parameter displays Yes.

Drop Throttle Status

—

Inactive

This parameter provides an indication when the controller software determines a condition is present where the vehicle operator has abruptly released the accelerator pedal (drop-throttle) after a period of acceleration.

ECM Authentication Status

—

Valid

Authentication Status indicates the result of the comparison between the last received immobilizer response and the expected response calculated by the engine control module (ECM).

ECM Challenge Status

—

Valid

This parameter displays the condition of the ECM code challenge to the BCM.

ECM Requested Particulate Matter Mass Concentration Measurement

—

No

This parameter indicates the ECM has requested a measurement of particulate matter mass from the particulate matter sensor.

ECM Requested Particulate Matter Sensor Initialization

—

No

This parameter displays Yes when the particulate matter sensor is initialized by the ECM.

ECM Response Source

—

Normal Start

This parameter displays ECM response source.

ECT Sensor

—

85–105°C/185–220°F

This parameter displays the temperature of the engine coolant based on the input from the engine coolant temperature (ECT) sensor. When the coolant temperature is low, the scan tool will display a low temperature. When the coolant temperature is high, the scan tool will display a high temperature.

EGR/Camshaft Position Monitor Complete

—

Yes/No

This parameter displays the status of the EGR/Camshaft Position Monitor. The parameter will display Yes when the EGR/Camshaft Position Monitor is complete.

EGR/Camshaft Position Monitor Complete This Ignition Cycle

—

Yes/No

This parameter displays the status of the EGR/Camshaft Position Monitor for this Ignition Cycle. The parameter will display Yes when the EGR/Camshaft Position Monitor is complete this Ignition Cycle.

EGR/Camshaft Position Monitor Enabled

—

Yes/No

This parameter displays the status of the EGR/Camshaft Position Monitor. The parameter will display Yes when the EGR/Camshaft Position Monitor is Enabled.

EGR/Camshaft Position Monitor Enabled This Ignition Cycle

—

Yes/No

This parameter displays the status of the EGR/Camshaft Position Monitor for this Ignition Cycle. The parameter will display Yes when the EGR/Camshaft Position Monitor is Enabled this Ignition Cycle.

EGR Command

—

%

This parameter displays the commanded duty cycle for the exhaust gas recirculation (EGR) output.

EGR Control Circuit 1 High Voltage Status

—

OK

This parameter displays the state of the EGR Control circuit 1. The parameter displays Malfunction if the EGR Control circuit 1 is shorted to voltage.

EGR Control Circuit 1 Low Voltage Status

—

OK

This parameter displays the state of the EGR Control circuit 1. The parameter displays Malfunction if the EGR Control circuit 1 is shorted to ground.

EGR Control Circuit 2 High Voltage Status

—

OK

This parameter displays the state of the EGR Control circuit 2. The parameter displays Malfunction if the EGR Control circuit 2 is shorted to voltage.

EGR Control Circuit 2 Low Voltage Status

—

OK

This parameter displays the state of the EGR Control circuit 2. The parameter displays Malfunction if the EGR Control circuit 2 is shorted to ground.

EGR Control Circuit Open Test Status

—

OK

This parameter displays the state of the EGR Control circuit. The parameter displays Malfunction if the EGR Control circuit is open.

EGR Control Circuit Shorted Test Status

—

OK

This parameter displays the state of the EGR Control circuit. The parameter displays Malfunction if the EGR Control circuit is shorted.

EGR Control Driver Overcurrent

—

No

This parameter displays the state of the EGR Control circuit. The parameter displays Yes if the EGR Control Driver Overcurrent is detected.

EGR Control Driver Overtemperature

—

No

This parameter displays the state of the EGR Control circuit. The parameter displays Yes if Over Temperature is Detected and that the driver circuit has been shut OFF.

EGR Control Driver Temperature Dependent Overcurrent

—

No

This parameter displays the state of the EGR Control circuit. The parameter displays Yes if Temperature Dependent over Current Detected and that the driver circuit has been shut OFF.

EGR Control Driver Undervoltage

—

No

This parameter displays the state of the EGR Control circuit. The parameter displays Yes when the Under Voltage Detected indicates that the entire system voltage is low.

EGR Cooler Bypass Valve Command

—

%

This parameter displays the commanded duty cycle for the Exhaust Gas Recirculation Cooler Bypass Valve actuator output.

EGR Cooler Bypass Valve Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit is shorted to voltage.

EGR Cooler Bypass Valve Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit is shorted to ground.

EGR Cooler Bypass Valve Control Circuit Open Test Status

—

OK

This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit is open.

EGR Cooler Bypass Valve Control Circuit Shorted Test Status

—

OK, Malfunction, Not Run

This parameter contains the control circuit status of the exhaust gas recirculation cooler bypass valve output 

EGR Cooler Bypass Valve Control Driver Overcurrent

—

No

This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if the EGR Cooler Bypass Valve Control Driver Overcurrent is detected.

EGR Cooler Bypass Valve Control Driver Overtemperature

—

No

This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if Over Temperature is Detected and that the driver circuit has been shut OFF.

EGR Cooler Bypass Valve Control Driver Temperature Dependant Overcurrent

—

No

This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if Temperature Dependent over Current Detected and that the driver circuit has been shut OFF.

EGR Cooler Bypass Valve Control Driver Undervoltage

—

No

This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes when the Under Voltage Detected indicates that the entire system voltage is low.

EGR Cooler Bypass Valve Learned Closed Position

—

OK, Malfunction, Not Run

This parameter contains the control circuit status of the exhaust gas recirculation cooler bypass valve output 

EGR Cooler Bypass Valve Learned Open Position

—

OK, Malfunction, Not Run

This parameter contains the control circuit status of the exhaust gas recirculation cooler bypass valve output 

EGR Cooler Bypass Valve Position

—

%

This parameter contains the actual exhaust gas recirculation (EGR) cooler bypass valve displacement determined by a position sensor (corrected based upon its learned minimum position).

EGR Cooler Bypass Valve Position Sensor

—

Volts

This parameter contains the Exhaust Gas Recirculation Cooler Bypass Valve position sensor analog input as a percentage of its reference voltage

EGR Cooler Temperature Sensor 1

—

°C (°F)

This parameter will display the exhaust temperature entering the EGR Cooler. The EGR Temp Sensor 1 temperature will be warmer than the EGR Temp Sensor 2.

EGR Cooler Temperature Sensor 2

—

°C (°F)

This parameter will display the exhaust temperature exiting the EGR Cooler. The EGR Temp Sensor 2 temperature will be cooler than the EGR Temp Sensor 1.

EGR Temperature Sensor 1

—

ºC (ºF)

This parameter contains the undefaulted exhaust gas recirculation cooler temperature measured by a sensor that is located before the inlet of the EGR heat exchanger.

EGR Temperature Sensor 2

—

ºC (ºF)

This parameter contains the undefaulted exhaust gas recirculation cooler temperature measured by a sensor that is located on the outlet of the EGR heat exchanger.

EGR Learned Minimum Position

—

Volts

This parameter displays the learned minimum position of the EGR valve as calculated by the control module. The scan tool will display a low value if the current closed EGR position is the same as the last ignition cycle. The scan tool will display a higher value if the EGR valve has closed at a new position.

EGR Learned Minimum Position This Ignition Cycle

—

%

This parameter displays the Exhaust Gas Recirculation Sensor Learned Minimum Position.

EGR Position Sensor

—

%

This parameter displays the EGR valve position as calculated by the control module based on an input from the EGR valve position sensor. The scan tool will display a lower value when the EGR valve is closed, and a higher value when the EGR valve is open.

EGR Position Sensor

—

1.75 Volts

This parameter displays the voltage signal received from the EGR valve position sensor by the control module. The scan tool will display a lower value when the EGR valve is closed, and a higher value when the EGR valve is open.

EGR Position Variance

—

%

This parameter displays the EGR position variance from the last learned position.

EGR System Malfunction Warning Indicator Command

—

Off

This parameter indicates when the EGR system malfunction warming indicator is commanded ON.

Electric Power management Inhibit reason

—

None

This parameter displays the reason of the Regulated Voltage Control (RVC) override command. RVC lowers system operating voltage to reduce system electrical load and improve fuel economy performance.

Engine Calibration Monitoring

—

Not Present

This parameter displays Present when Incorrect Engine Calibration Detected.

Engine Calibration Monitoring Identifier

—

Programmed / Not Programmed

This parameter contains status bits associated with the Engine Upgrade Protection strategy.  

Engine Calibration Part Number History 1–10

—

#

This parameter displays the part number of the 10 most recent calibrations.

Engine Calibration Part Number History 1–10 Counter

—

Counts

This parameter displays the current count of engine calibrations.

Engine Controls Ignition Relay Command

—

On

This parameter displays the state of the control circuit for engine control module power relay as commanded by the engine control module.

Engine Controls Ignition Relay Feedback 2 Signal

Ignition ON

Volts

This parameter indicates the signal voltage from the second input to the controller from the powertrain relay.

Engine Controls Ignition Relay Feedback 3 Signal

Ignition ON

Volts

This parameter indicates the signal voltage from the third input to the controller from the powertrain relay.

Engine Controls Ignition Relay Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is shorted to voltage.

Engine Controls Ignition Relay Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is shorted to ground.

Engine Controls Ignition Relay Control Circuit Open Test Status

—

OK

This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is open.

Engine Controls Ignition Relay Feedback Signal

—

12.0-14.9 V

This parameter displays the voltage available at the Engine Controls Ignition Relay pin of the engine control module.

Engine Load

—

Varies

This parameter displays the engine load in percent based on inputs to the control module from various engine sensors. The scan tool will display a low percentage when the engine is at idle with little or no load. The scan tool will display a high percentage when the engine is running at a high RPM under a heavy load.

Engine Load During Misfire History 1-10

Ignition ON

%

This parameter displays the engine load during the last misfire event.

Engine Off Time

—

0:00:00 Seconds – Varies

This parameter displays the amount of time that has elapsed since the engine was last cycled OFF.

Engine Oil Absolute Pressure Sensor

—

kPa/PSI

This parameter displays the absolute pressure of the engine oil in kPa and psi.

Engine Oil Level Switch

—

OK/Low

This parameter displays the status of the engine oil level switch as determined by the control module. The control module uses this information to turn on the low engine oil lamp if the engine oil level remains approximately 1 quart low for a sufficient amount of time. The scan tool will display Low when the engine oil level is low. The scan tool will display OK when the engine oil level is correct.

Engine Oil Life Remaining

—

Varies

This parameter displays the amount engine oil life remaining before requiring an oil change based on calculations by the control module. The scan tool will display lower values as the engine oil life approaches 0 miles.

Engine Oil Pressure

—

kPa/PSI

This parameter displays the pressure of the engine oil as calculated by the control module using a signal from the engine oil pressure (EOP) sensor. The scan tool will display oil pressure when the engine is running. The engine oil pressure sensor has a range of values indicating a low value when the oil pressure is low to a high value when the oil pressure is high.

Engine Oil Pressure Control Solenoid Valve Command

—

High Pressure/Low Pressure

This parameter displays the current command of the oil pressure solenoid valve.

Engine Oil Pressure Control Solenoid Valve Control Circuit High Voltage Test Status

—

OK

This parameter displays the status of the output driver for the engine oil pressure control solenoid circuit. The parameter displays Malfunction if the engine oil pressure control solenoid circuit is shorted to voltage.

Engine Oil Pressure Control Solenoid Valve Control Circuit Low Voltage Test Status

—

OK

This parameter displays the status of the output driver for the engine oil pressure control solenoid circuit. The parameter displays Malfunction if the engine oil pressure control solenoid circuit is shorted to ground.

Engine Oil Pressure Control Solenoid Valve Control Circuit Open Voltage Test Status

—

OK

This parameter displays the status of the output driver for the engine oil pressure control solenoid circuit. The parameter displays Malfunction if the engine oil pressure control solenoid circuit is open.

Engine Oil Pressure Sensor

—

Volts

This parameter displays the actual engine oil pressure measured by a sensor in volts.

Engine Oil Pressure Switch

—

OK

This parameter displays the state of the EOP as determined by the control module. The control module monitors the engine oil pressure (EOP) switch to determine if the EOP is sufficient. The scan tool will display low when the EOP is below a predetermined value.

Engine Run Time

—

Varies

This parameter displays the time elapsed since the engine was started. The scan tool will display the time in hours, minutes and seconds. The engine run time will reset to zero when the engine stops running.

Engine Run Time Since Last DPF Regeneration

—

Varies

This parameter displays the total of time since the last regeneration. This parameter will be displayed in hours, minutes and seconds.

Engine Serial Number

—

#

This parameter displays the current engine serial number.

Engine Speed

—

600–800 RPM

This parameter displays the speed of the crankshaft as determined by the ECM using an input from the CKP sensor. The scan tool will display a high value at high engine speeds and a low value at low engine speeds.

Engine Speed During Misfire History 1–5

Ignition ON

RPM

This parameter displays the last 5 engine speeds during misfire events.

Engine Speed When Engine Overspeed Detected

Engine Idling

RPM

This parameter displays the engine speed observed upon initial detection of an overspeed condition. This value will be updated after each overspeed condition.

Engine Torque

—

Varies

This parameter displays the estimated amount of torque that is delivered from the engine. The scan tool displays engine torque in N·m (lb-ft). The ECM sends the engine torque information to the TCM via the high speed GMLAN serial data line.

{ If equipped }

Exhaust Aftertreatment Fuel Injection System

—

Inactive

This parameter displays the state of the Exhaust Aftertreatment Fuel Injection System command.

{ If equipped }

Exhaust Aftertreatment Fuel Injector Test Abort Reasons

—

None, Fuel Pressure Out of Range, Vehicle Speed Detected, Incorrect Power Mode, Exhaust Gas Temperature Too High, DTC Present, Diesel Particulate Filter Regeneration Active, Engine Must Be Running, Transmission Must Be in Park or Neutral, Exhaust Gas Temperature Too Low

This parameter contains the abort reason for the Exhaust Aftertreatment Fuel Injector  Tip Cleaning Trigger Device Control and Exhaust Aftertreatment Fuel Injector  Flow Test Trigger

{ If equipped }

Exhaust Aftertreatment Fuel Injector Test Status

—

Not Requested, Flow Test Active, Flow Test Complete, Flow Test Aborted, Cleaning Procedure Active, Cleaning Procedure Complete, Cleaning Procedure Aborted

This parameter contains the status of the Exhaust Aftertreatment Fuel Injector Tip Cleaning and Flow Test device controls.

{ If equipped }

Exhaust Aftertreatment Fuel Injector Command

—

%

This parameter displays the state of the Exhaust Aftertreatment Fuel Injection System command in percentage.

{ If equipped }

Exhaust Aftertreatment Fuel Injector Control Circuit Command

—

Off

This parameter displays the state of the Exhaust Aftertreatment Fuel Injection Control Circuit command.

{ If equipped }

Exhaust Aftertreatment Fuel Injector Control Circuit High Voltage Test Status

—

OK

This parameter displays the status of the exhaust aftertreatment fuel injector control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector circuit is shorted to voltage.

{ If equipped }

Exhaust Aftertreatment Fuel Injector Control Circuit Low Voltage Test Status

—

OK

This parameter displays the status of the exhaust aftertreatment fuel injector control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector control circuit is shorted to ground.

{ If equipped }

Exhaust Aftertreatment Fuel Injector Control Circuit Open Test Status

—

OK

This parameter displays the status of the exhaust aftertreatment fuel injector control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector control circuit is open.

{ If equipped }

Exhaust Aftertreatment Fuel Injector Control Circuit Shorted Test Status

—

OK

This parameter displays the status of the exhaust aftertreatment fuel injector control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector control circuit is shorted.

{ If equipped }

Exhaust Aftertreatment Fuel Injector Control Driver Overtemperature

—

No

This parameter displays if the Exhaust Aftertreatment Fuel Injector Control Driver (low side) has reached an overtemperature condition.

{ If equipped }

Exhaust Aftertreatment Fuel Injector High Control Circuit High Voltage Test Status

—

OK

This parameter displays the status of the exhaust aftertreatment fuel injector high control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector high control circuit is shorted to voltage.

{ If equipped }

Exhaust Aftertreatment Fuel Injector High Control Circuit Low Voltage Test Status

—

OK

This parameter displays the status of the exhaust aftertreatment fuel injector high control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector high control circuit is shorted to ground.

{ If equipped }

Exhaust Aftertreatment Fuel Injector High Control Driver Overtemperature

—

No

This parameter displays if the Exhaust Aftertreatment Fuel Injector High Control Driver (high side) has reached an overtemperature condition.

{ If equipped }

Exhaust Aftertreatment Monitor Complete

—

No

This parameter displays the state of Exhaust Aftertreatment Monitor. The parameter displays Yes when the Exhaust Aftertreatment Monitor is complete.

{ If equipped }

Exhaust Aftertreatment Monitor Complete This Ignition Cycle

—

No

This parameter displays the state of Exhaust Aftertreatment Monitor Complete This Ignition Cycle. The parameter displays Yes when the Exhaust Aftertreatment Monitor is Complete This Ignition Cycle.

{ If equipped }

Exhaust Aftertreatment Monitor Enabled

—

No

This parameter displays the status of the Exhaust Aftertreatment Monitor. The parameter will display Yes when the Exhaust Aftertreatment Monitor is Enabled.

{ If equipped }

Exhaust Aftertreatment Monitor Enabled This Ignition Cycle

—

No

This parameter displays the status of the Exhaust Aftertreatment Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Exhaust Aftertreatment Monitor is Enabled This Ignition Cycle.

Exhaust Brake Switch

—

Off

This parameter displays the status of the Exhaust Brake Switch. The parameter will display On when the Exhaust Brake Switch is enabled.

Exhaust Gas Sensor Monitor Complete

—

Yes/No

This parameter displays the state of Exhaust Gas Sensor Monitor. The parameter displays Yes when the Exhaust Gas Sensor Monitor is complete.

Exhaust Gas Sensor Monitor Complete This Ignition Cycle

—

Yes/No

This parameter displays the state of Exhaust Gas Sensor Monitor Complete This Ignition Cycle. The parameter displays Yes when the Exhaust Gas Sensor Monitor is Complete This Ignition Cycle.

Exhaust Gas Sensor Monitor Enabled

—

Yes/No

This parameter displays the status of the Exhaust Gas Sensor Monitor. The parameter will display Yes when the Exhaust Gas Sensor Monitor is Enabled.

Exhaust Gas Sensor Monitor Enabled This Ignition Cycle

—

Yes/No

This parameter displays the status of the Exhaust Gas Sensor Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Exhaust Gas Sensor Monitor is Enabled This Ignition Cycle.

Exhaust Gas Temperature Sensor 1, 2, 3, 4, or 5

—

°C (°F)

This parameter will display the exhaust temperature before the DPF. When the exhaust temperature is low, the scan tool will display a low temperature. When the exhaust temperature is high, the scan tool will display a high temperature.

Extended Travel Brake Pedal Position Signal

—

Released

This parameter displays the status of the Extended Travel Brake Pedal Position sensor.

Frozen Reductant – Diagnostic Inhibit

—

No

This parameter displays Yes if the reductant diagnostic is inoperative due to frozen reductant.

Frozen Reductant – Injection Inhibit

—

No

This parameter displays Yes if the reductant injection is inoperative due to frozen reductant.

Frozen Reductant – Refill Recognition Inhibit

—

No

This parameter displays Yes if the reductant refill monitor is inoperative due to frozen reductant.

Fuel Consumed Since Last DPF Regeneration

—

Liters/Gallons

This parameter displays the amount of fuel consumed since the last DPF regeneration.

Fuel Consumed Since Last DPF Replacement

—

Liters

This parameter displays the amount of Fuel Consumed Since Last DPF Replacement.

Fuel Consumption Rate

—

L/H

This parameter displays the amount of fuel consumed by engine per unit of time in liters per hour. NOTE: Engine Fuel Rate shall indicate zero L/H when the engine is not running.

Fuel Economy Mode Switch

Ignition ON

OK

This parameter displays the state of the fuel economy mode switch circuit.  The parameter displays Malfunction if the fuel economy mode switch circuit is open.

Fuel Economy Mode Switch

Ignition ON

Volts

This parameter displays the economy mode switch reference voltage.

Fuel Filter Life Remaining

—

%

This parameter displays the fuel filter life remaining before requiring an fuel filter change. This number is calculated by the control module based on many inputs and is displayed as a percent. The lower the percentage, the sooner the next fuel filter change will be required.

Fuel Filter Pressure Switch

—

OK

This parameter displays the status of the fuel filter pressure switch.

Fuel Heater Relay Command

—

Off

This parameter displays the status of the fuel relay heater command.

Fuel Heater Relay Control Circuit High Voltage Test Status

—

OK

This parameter displays the status of the output driver for the fuel heater relay control circuit. The parameter displays Malfunction if the fuel heater relay control circuit is shorted to voltage.

Fuel Heater Relay Control Circuit Low Voltage Test Status

—

OK

This parameter displays the status of the output driver for the fuel heater relay control circuit. The parameter displays Malfunction if the fuel heater relay control circuit is shorted to ground.

Fuel Heater Relay Control Circuit Open Test Status

—

OK

This parameter displays the status of the output driver for the fuel heater relay control circuit. The parameter displays Malfunction if the fuel heater relay control circuit is open.

Fuel Injection Mode

—

Normal, Homogeneous Combustion Mode, Particulate Filter Regeneration with High Oxygen Concentration, Fuel Injection Small Quantity Learn, Fuel Injection Small Quantity Learn, Particulate Filter Regeneration with Low Oxygen Concentration, NOx Adsorber Catalyst Regeneration, Lean SOx Adsorber Catalyst Regeneration, Rich SOx Adsorber Catalyst Regeneration, Inhomogeneous Combustion Mode, NOx Catalyst Heating Mode 1, NOx Catalyst Heating Mode 2, Park or Neutral Gear DPF Regeneration, Rich Idle DPF Regeneration, Engine Protection High Oxygen Concentration DPF Regeneration, Engine Protection Low Oxygen Concentration DPF Regeneration, Engine Protection SOx Adsorber Catalyst Regeneration, NOx Catalyst Heating Mode 3, Fuel Injection Small Quantity Learn Combustion Mode, Hydrocarbon Purge Combustion Mode, Park or Neutral Gear Hydrocarbon Purge Combustion Mode, Reductant System Malfunction Warning Service Bay Test Warm Up Combustion Mode, Reductant System Malfunction Warning Service Bay Test Combustion Mode, SOx Purge Combustion Mode, Emissions Combustion Mode, Fast Exhaust System Warm-Up, Exhaust System Warm-Up

This parameter indicates which of the injection modes that currently is active.

Fuel Level Sensor

—

Volts

This parameter displays the voltage from the sensor used to monitor the fuel level inside the fuel tank.

Fuel Level Sensor Rear Tank

—

Volts

This parameter contains the unfiltered fuel level sensor analog input for the secondary fuel tank as a percentage of its reference voltage.

Fuel Pressure Sensor

—

kPa (PSI)

For Port Fuel Injected (PFI) systems, this parameter displays undefaulted fuel rail pressure at the engine.  For high pressure fuel systems, this parameter indicates the undefaulted low side fuel pressure before the high pressure pump.  

Fuel Pressure Sensor

—

Volts

This parameter contains the fuel supply pressure sensor analog input as a percentage of its reference voltage.

Fuel Pressure Regulator 1 Command

—

%

This parameter displays the Fuel Pressure Regulator 1 duty cycle as commanded by the engine control module.

Fuel Pressure Regulator 1 Control Circuit Command

—

On/Off

This parameter displays the current command of the fuel pressure regulator 1.

Fuel Pressure Regulator 1 Control Circuit High Voltage Test Status

—

OK

This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is shorted to voltage.

Fuel Pressure Regulator 1 Control Circuit Low Voltage Test Status

—

OK

This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is shorted to ground.

Fuel Pressure Regulator 1 Control Circuit Open Test Status

—

OK

This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is open.

Fuel Pressure Regulator 1 Control Circuit Shorted Test Status

—

OK

This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Circuit is shorted.

Fuel Pressure Regulator 1 Control Driver Overtemperature

—

No

This parameter displays the state of the Fuel Pressure Regulator 1 Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 1 Control Driver Overtemperature is detected.

Fuel Pressure Regulator 1 Current

—

mA

This parameter displays the actual current for the Fuel Pressure Regulator 1.

Fuel Pressure Regulator 1 High Control Circuit Command

—

On

This parameter displays the status of the Fuel Pressure Regulator 1 High Control Circuit Command. The parameter displays ON when the Fuel Pressure Regulator 1 High Control Circuit is Commanded ON by the engine control module.

Fuel Pressure Regulator 1 High Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the Fuel Pressure Regulator 1 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 High Control Circuit is shorted to voltage.

Fuel Pressure Regulator 1 High Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the Fuel Pressure Regulator 1 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 High Control Circuit is shorted to ground.

Fuel Pressure Regulator 1 High Control Driver Overtemperature

—

No

This parameter displays the state of the Fuel Pressure Regulator 1 High Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 1 High Control Driver Overtemperature is detected.

Fuel Pressure Regulator 2 Command

—

%

This parameter displays the Fuel Rail Pressure Regulator 2 duty cycle.

Fuel Pressure Regulator 2 Control Circuit Command

—

On

This parameter displays the current command of the fuel pressure regulator 2.

Fuel Pressure Regulator 2 Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted to voltage.

Fuel Pressure Regulator 2 Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted to ground.

Fuel Pressure Regulator 2 Control Circuit Open Test Status

—

OK

This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is open.

Fuel Pressure Regulator 2 Control Circuit Shorted Test Status

—

OK

This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted.

Fuel Pressure Regulator 2 Control Driver Overtemperature

—

No

This parameter displays the state of the Fuel Pressure Regulator 2 High Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 2 High Control Driver Overtemperature is detected.

Fuel Pressure Regulator 2 High Control Circuit Command

—

On/Off

This parameter displays the status of the Fuel Pressure Regulator 2 High Control Circuit Command. The parameter displays On when the Fuel Pressure Regulator 2 High Control Circuit is Commanded ON by the engine control module.

Fuel Pressure Regulator 2 High Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the Fuel Pressure Regulator 2 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 High Control Circuit is shorted to voltage.

Fuel Pressure Regulator 2 High Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the Fuel Pressure Regulator 2 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 High Control Circuit is shorted to ground.

Fuel Pressure Regulator 2 High Control Driver Overtemperature

—

No

This parameter displays the state of the Fuel Pressure Regulator 2 High Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 2 High Control Driver Overtemperature is detected.

Fuel Pressure Sensor

Engine Idling

kPa/PSI

For Port Fuel Injected (PFI) systems, this Parameter displays fuel rail pressure at the engine. For high pressure fuel systems, this Parameter indicates the low side fuel pressure before the high pressure pump.

Fuel Pressure Sensor

Ignition ON

Volts

This parameter displays the fuel supply pressure sensor analog input as a percentage of its reference voltage.

Fuel Pump 2 Relay Command

Ignition ON

On / Off

This parameter contains several signals associated with the status of the fuel system

Fuel Pump 2 Relay Command

Ignition ON

On / Off

This parameter contains the commanded state of the secondary fuel pump output along with the status of its associated short to ground, open circuit, and short to power tests 

Fuel Pump 2 Relay Control Circuit High Voltage Test Status

Ignition ON

OK, Malfunction, Not Run

This parameter contains the commanded state of the secondary fuel pump output along with the status of its associated short to ground, open circuit, and short to power tests 

Fuel Pump 2 Relay Control Circuit Low Voltage Test Status

Ignition ON

OK, Malfunction, Not Run

This parameter contains the commanded state of the secondary fuel pump output along with the status of its associated short to ground, open circuit, and short to power tests 

Fuel Pump 2 Relay Control Circuit Open Test Status

Ignition ON

OK, Malfunction, Not Run

This parameter contains the commanded state of the secondary fuel pump output along with the status of its associated short to ground, open circuit, and short to power tests 

Fuel Pump Driver Control Module Battery Voltage

Ignition ON

Volts

This parameter contains the Fuel Tank Zone Module’s (FTZM) sensed battery voltage that’s being transmitted from FTZM to the ECM over serial data

Fuel Pump Driver Control Module Voltage Signal

Ignition ON

Volts

This parameter contains the Fuel Tank Zone Module’s (FTZM) sensed Run/Crank voltage that’s being transmitted from FTZM to the ECM over serial data. 

Fuel Pump Enable Circuit High Voltage Test Status

Ignition ON

OK

This parameter displays the status of the output driver for the fuel pump control circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to voltage in the circuit.

Fuel Pump Enable Circuit Low Voltage Test Status

Ignition ON

OK

This parameter displays the status of the output driver for the fuel pump control circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to ground in the circuit.

Fuel Pump Enable Command

Ignition ON

On

This parameter displays the commanded state of the fuel pump output (the output is considered to be commanded ON if its duty cycle is not zero).

Fuel Pump Phase U-V-W Circuits High Voltage Test Status

Ignition ON

OK, Malfunction, Not Run

This parameter contains the Fuel Tank Zone Module’s (FTZM) reported status of short to ground, open circuit, short to power and phase-to-phase short tests 

Fuel Pump Phase U-V-W Circuits Low Voltage Test Status

Ignition ON

OK, Malfunction, Not Run

This parameter contains the Fuel Tank Zone Module’s (FTZM) reported status of short to ground, open circuit, short to power and phase-to-phase short tests 

Fuel Pump Phase U-V-W Circuits Open Test Status

Ignition ON

OK, Malfunction, Not Run

This parameter contains the Fuel Tank Zone Module’s (FTZM) reported status of short to ground, open circuit, short to power and phase-to-phase short tests 

Fuel Pump Phase U-V-W Circuits Shorted Test Status

Ignition ON

OK, Malfunction, Not Run

This parameter contains the Fuel Tank Zone Module’s (FTZM) reported status of short to ground, open circuit, short to power and phase-to-phase short tests 

Fuel Pump Relay Command

—

On

This parameter displays the commanded state of the fuel pump relay control circuit. The fuel pump relay should be On when the scan tool indicates the Fuel Pump Relay Command is ON. The fuel pump relay should be Off when the scan tool indicates the Fuel Pump Relay Command is OFF.

Fuel Pump Relay Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is shorted to voltage.

Fuel Pump Relay Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is shorted to ground.

Fuel Pump Relay Control Circuit Open Test Status

—

OK

This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is open.

Fuel Pump Speed

Ignition ON

RPM

This parameter contains the fuel pump speed as sensed by the FTZM (Fuel Tank Zone Module). 

Fuel Pump Speed Command

Ignition ON

RPM

This parameter contains the fuel pump commanded speed determined by the ECM and the speed to which the FTZM (Fuel Tank Zone Module) electronically commutates the brushless fuel pump. 

Fuel Pump Speed Too High

Ignition ON

Yes / No

This parameter contains signals used within the Fuel Pump Speed Rationality Diagnostic (PSRD). 

Fuel Pump Speed Too Low

Ignition ON

Yes / No

This parameter contains signals used within the Fuel Pump Speed Rationality Diagnostic (PSRD). 

Fuel Pump Trim

Engine Running

0–4 %

This parameter displays the adjustments for the fuel pump duty cycle control. This is calculated by comparing the estimated fuel rail pressure to the desired fuel rail pressure. If the short term fuel pump trim consistently deviates from 0, the long term fuel pump trim is adjusted accordingly.

Fuel Rail Pressure Regulator 1 Command

Ignition ON

%

This parameter contains the commanded duty cycle for the fuel pressure regulator 1 solenoid output.

Fuel Rail Pressure Sensor

—

35–40 MPa (5076–5801 psi)

This parameter displays the fuel rail pressure as calculated by the control module. This value is calculated based on engine speed, engine load, and sensor inputs. The scan tool will display a higher value at higher engine speeds and loads, and a lower value at idle.

Fuel Rail Pressure Sensor

—

Volts

This parameter displays the voltage signal sent to the control module from the sensor used to measure the fuel rail pressure. The scan tool will display a low voltage at idle and high voltage when pressure demands are high.

Fuel Rail Temperature Sensor

—

°C (°F)

This parameter displays the current fuel rail temperature.

Fuel System Monitor Complete

—

Yes

This parameter displays the status of the Fuel System Monitor. The scan tool displays Yes when test is completed.

Fuel System Monitor Complete This Ignition Cycle

—

Yes

This parameter displays the state of the Fuel System Monitor Complete This Ignition Cycle. The parameter displays Yes when the Fuel System Monitor is Complete This Ignition Cycle.

Fuel System Monitor Enabled

—

Yes

This parameter displays the status of the Fuel System Monitor. The parameter will display Yes when the Fuel System Monitor is Enabled.

Fuel System Monitor Enabled This Ignition Cycle

—

Yes/No

This parameter displays the status of the Fuel System Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Fuel System Monitor is Enabled This Ignition Cycle.

Fuel Tank Rated Capacity

—

Liters

This parameter displays the capacity of the fuel tank in liters or gallons. The rated capacity displayed by the scan tool will vary with vehicle type.

Fuel Temperature Sensor

—

°C (°F)

This parameter displays the current fuel temperature as calculated by the control module based on input from the fuel temperature sensor. The scan tool will display a higher value at higher fuel temperatures. The scan tool will display a lower value at lower fuel temperatures.

Fuel Trim

—

Mm3/stk

This parameter displays the Fuel Mass Observer (FMO) correction value.

Fuel Trim

—

Allowed

This parameter displays the status of the Fuel Mass Observer (FMO) system.

Fuel Trim Enabled

—

Yes

This parameter indicates that the fuel mass observer functionality is enabled.

Fuel Trim Learn

—

Enabled

This parameter displays the status of the Fuel Mass Observer (FMO) system.

Fuel Used Since Last DPF Regeneration

—

Liters/Gallons

This parameter will display the amount of fuel used since last regeneration of the exhaust particulate filter.

Generator F-Terminal Signal

—

0–100%

This parameter indicates the generator field duty cycle as commanded by the voltage regulator or control module. The scan tool will display a higher value for a higher commanded generator output, and a lower value for a lower commanded generator output.

Generator L-Terminal Circuit High Voltage Test Status

—

OK

This parameter displays the diagnostic state of the Generator L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly.

Generator L-Terminal Circuit Low Voltage Test Status

—

OK

This parameter displays the diagnostic state of the Generator L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly.

Generator L-Terminal Circuit Open Test Status

—

OK

This parameter displays the diagnostic state of the Generator L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly.

Generator L-Terminal Command

—

0–100%

This parameter displays the control modules commanded state of the voltage regulator on the generator.

Generator L-Terminal Signal Command

—

On/Off

This parameter displays the signal command of the Generator L-Terminal.

Glow Plug Command

—

On/Off

This parameter displays the voltage supply to the glow plugs as measured by the control module. The scan tool will display a higher value at high voltages, or a lower value at lower voltages.

High Idle Speed

—

Enabled/Disabled

This parameter displays the current state of the High Idle Speed.

HO2S 1

—

Lambda

This parameter displays the actual lambda signal measured by wide range oxygen sensor 1 bank 1.

H02S 1 Heater Command

—

On/Off

This parameter displays the current command of the oxygen sensor heater control.

H02S 1 Heater Command

—

%

This parameter displays the current command of the oxygen sensor heater control in percentage.

H02S 1 Heater Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is shorted to voltage.

H02S 1 Heater Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is shorted to ground.

H02S 1 Heater Control Circuit Open Test Status

—

OK

This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is open.

H02S 1 Module Signal

—

Volts

This parameter displays the current voltage of the oxygen sensor heater module signal circuit.

IAT Sensor 1

—

°C (°F)

This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high.

IAT Sensor 2

—

°C (°F)

This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor 2. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high.

IAT Sensor 2

—

Hz

This parameter displays the frequency of the humidity sensors’ intake air temperature (IAT) sensor input to the engine control module.

IAT Sensor 3

—

°C (°F)

This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor 3. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high.

Ignition 1 Signal

—

On/Off

This parameter displays On when the control module detects B+ voltage at the ignition 1 input terminal.

Ignition Accessory Signal

—

Off

This parameter displays the state of the ignition 0 input to the control module from the ignition switch. The scan tool will display On when the ignition switch is in the ignition accessory position. The scan tool will display Off when the ignition switch is in any other position.

Ignition Cycles with Malfunction Since 1st Malfunction

—

Counts

This parameter displays the number of ignition cycles with a malfunction detected since the first ignition cycle with a malfunction detected.

Ignition Cycles without Completed Test Since 1st Malfunction

—

Counts

This parameter displays the number of ignition cycles without a pass or a malfunction reported since the first ignition cycle with a malfunction reported.

Ignition Cycles without Malfunction Since Last Malfunction

—

Counts

This parameter displays the number of ignition cycles with a pass reported and no malfunctions reported since the first ignition cycle with a malfunction reported.

Immobilizer Auto Learn Counter

—

Counts

This parameter displays the number of auto learn cycles that have been successfully completed within the immobilizer system.

Immobilizer Automatic Learn Timer

—

hh:mm:ss

This parameter indicates that either the auto learn timer (used in the auto learn procedure to enable VTD password learning) or the seed and key timer (used in the seed and key procedure to enable VTD password learning) is active.

Immobilizer Password Learn

—

Disabled

This indicates learning of the Immobilizer password received from the platform electronics is enabled. Immobilizer password learning is first enabled in assembly plant (prior to the manufacturer’s enable counter being set to zero) may be re-enabled using 1 of 2 procedures.

Immobilizer Password Learn Scan Tool Delay

—

Active/Inactive

Scan Tool Learn Delay Active indicates that the security code has been accepted but the scan tool learn delay is active and will not allow learning enabled, programming security code, or resetting security code.

Immobilizer Security Code Accepted

—

Yes

This parameter displays if the Immobilizer Security code was accepted by the ECM.

Immobilizer Security Code Function

—

Present

This parameter displays if the immobilizer security code was supported by the ECM.

Immobilizer Security Code Lockout

—

Inactive

This parameter displays if the Immobilizer Security code is locked out of the ECM.

Immobilizer Security Code Programmed

—

Yes

This parameter displays if the Immobilizer Security code is currently being programmed in the ECM.

Immobilizer Security Information Programmed

—

Yes

This parameter displays if the Immobilizer Security code has been programmed in the ECM.

Immobilizer System Status

—

Varies

This parameter displays the Immobilizer System status in the BCM.

Immobilizer Valid Response Received Time

—

ms

This parameter displays the actual time observed for a valid immobilizer response.

Induction System Leak Indication

—

:1

This parameter contains the ratio of desired intake air flow and the actual intake air flow as determined by the mass air flow (MAF) sensor.

Injector Timing

—

°

Indicates the current timing of the main injection pulse as calculated by the control module. The scan tool will display a higher value for a main injection event farther from top dead center (TDC). The Scan tool will display a lower value for a main injection event closer to TDC.

Inspection/Maintenance Drive Cycle Complete

—

No

Inspection/Maintenance Drive Cycle Complete means that all required components of the standard drive cycle have completed.

Inspection/Maintenance Drive Cycle Idle Time Complete

—

No

Inspection/Maintenance Drive Cycle Idle Time Complete indicates that the engine idle time requirement is complete.

Inspection/Maintenance Drive Cycle Idle Timer

—

hh:mm:ss

This parameter displays the Inspection/Maintenance Drive Cycle Idle Timer.

Inspection/Maintenance Drive Cycle Propulsion System Active Time Complete

—

No

This parameter displays the Inspection/Maintenance Drive Cycle Propulsion System Active Time Complete. The parameter displays Yes when the Inspection/Maintenance Drive Cycle Propulsion System Active Time is Complete.

Inspection/Maintenance Drive Cycle Propulsion System Active Timer

—

hh:mm:ss

This parameter displays the total accumulated time in which the propulsion system has been active after the 1st time the engine is started.

Inspection/Maintenance Drive Cycle Vehicle Speed Time Complete

—

No

This parameter displays Yes when the Vehicle Speed Time Complete indicates that the vehicle has been above 25 mph for five minutes.

Inspection/Maintenance Drive Cycle Vehicle Speed Timer

—

hh:mm:ss

This parameter displays the total accumulated time in which the vehicle speed has been greater than 25 mph after the 1st time the engine is started.

Intake Air Flow Valve Control Circuit 1 High Voltage Test Status

—

OK

This parameter displays the status of the Intake Air Flow Valve Control Circuit 1 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to voltage in the circuit.

Intake Air Flow Valve Control Circuit 1 Low Voltage Test Status

—

OK

This parameter displays the status of the Intake Air Flow Valve Control Circuit 1 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to ground in the circuit.

Intake Air Flow Valve Control Circuit 2 High Voltage Test Status

—

OK

This parameter displays the status of the Intake Air Flow Valve Control Circuit 2 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to voltage in the circuit.

Intake Air Flow Valve Control Circuit 2 Low Voltage Test Status

—

OK

This parameter displays the status of the Intake Air Flow Valve Control Circuit 2 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to ground in the circuit.

Intake Air Flow Valve Control Circuit Open Test Status

—

OK

This parameter displays the status of the Intake Air Flow Valve Control Circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an open in the circuit.

Intake Air Flow Valve Control Circuit Shorted Test Status

—

OK

This parameter displays the status of the Intake Air Flow Valve Control Circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short in the circuit.

Intake Air Flow Valve Control Driver Overcurrent

—

No

This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when an overcurrent is detected.

Intake Air Flow Valve Control Driver Overtemperature

—

No

This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when overtemperature is detected.

Intake Air Flow Valve Control Driver Temperature Dependent Overcurrent

—

No

This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when Temperature Dependent Overcurrent is detected.

Intake Air Flow Valve Control Driver Undervoltage

—

No

This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when Undervoltage is detected.

Intake Air Flow Valve Learned Closed Position

—

%

This parameter displays the minimum position learned for Intake Air Flow Valve position sensor when the Intake Air Flow Valve is closed.

Intake Air Flow Valve Motor Command

—

%

This parameter displays the commanded duty cycle for the Intake Airflow Valve output.

Intake Air Flow Valve Position

—

%

This parameter displays the position determined from Intake Air Flow Valve position sensor (corrected based upon its learned minimum position).

Intake Air Flow Valve Position Sensor

—

Volts

This parameter displays the Intake Air Flow Valve position sensor voltage input.

Intake Air Heater Command

—

On/Off

This parameter displays the current status of the Intake Air Heater.

Intake Air Heater Command

—

%

This parameter displays the current status of the Intake Air Heater in percentage.

Intake Air Humidity Sensor

—

%

This parameter displays the percentage of humidity at the intake air sensor.

Intake Manifold Pressure

—

kPa

This parameter displays the engine intake manifold vacuum pressure calculated as the difference between ambient air pressure (barometric pressure) and intake manifold absolute pressure (MAP).

Intake Manifold Runner Control Valve Command

—

%

This parameter displays the current command in percentage of the intake manifold runner control valve.

Intake Manifold Runner Control Valve Diagnostic Test Status

—

Varies

This parameter displays the current phase of the intake manifold runner control valve diagnostic test.

Intake Manifold Runner Control Valve Feedback Signal

—

%

This parameter displays the current command in percentage of the intake manifold runner control valve feedback signal.

Intake Manifold Runner Control Valve Position

—

Open, Intermediate, Closed

This parameter displays the current position of the intake manifold runner control valve.

Low Engine Oil Level Indicator Command

—

Off

This parameter displays the Engine Oil Level Low Indicator Command. The scan tool displays ON in order to inform the driver of a low engine oil level condition.

Low Engine Oil Pressure Indicator Command

—

Off

This parameter displays the Low Engine Oil Indicator Command. The scan tool displays ON in order to inform the driver of a low engine oil pressure condition.

MAF Sensor

Engine Idling

6–20 g/s

This parameter indicates the quantity calculated by the control module based on a signal from the MAF sensor. The scan tool will display a high value at high engine speeds, and a low value at low engine speeds.

Engine speed at 2,500 RPM

130–150 g/s

MAF Sensor

—

2300–3100 Hz

This parameter indicates the frequency signal received from the MAF sensor by the control module. The scan tool will display a high value at high engine speeds, and a low value at low engine speeds.

MAF When Engine Overspeed Detected

Engine Idling

g/s

This parameter indicates the quantity calculated by the control module based on a signal from the MAF sensor at the time an overspeed was detected. 

Main-Injection

—

Inactive

Main Injection Active indicates that main injection is active.

MAP Sensor

—

0.95–1.06 Volts

This parameter indicates the voltage signal received by the control module from the MAP sensor. The scan tool displays a low voltage at idle, and a high voltage at wide open throttle. Barometric pressure and altitude can affect these values.

MAP Sensor

—

kPa/PSI

This parameter displays the actual engine intake manifold absolute pressure (MAP).

MIL Command

—

Off

This parameter displays the commanded state of the malfunction indicator lamp (MIL) control circuit by the engine control module.

MIL Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is shorted to voltage.

MIL Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is shorted to ground.

MIL Control Circuit Open Test Status

—

OK

This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is open.

MIL Requested

—

No

This parameter displays the commanded state of the malfunction indicator lamp (MIL) control circuit by the engine control module.

MIL Requested by DTC

—

No

This parameter indicates the reason the control module illuminated the MIL. The scan tool will display Yes when the MIL is requested as a result of an A or B type DTC. The scan tool will display No if the MIL is illuminated for another reason, such as transmission DTCs.

Misfire Diagnostic Engine Speed

Engine Idling

RPM

This parameter displays the engine speed used within the misfire diagnostic. This engine speed is the maximum engine speed observed over the previous engine cycle.

Misfire Monitor Complete

—

No

This parameter displays the status of the Misfire Monitor. The parameter will display Yes when the Misfire Monitor is Complete.

Misfire Monitor Complete This Ignition Cycle

—

Varies

This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle.

Misfire Monitor Enabled

—

No

This parameter displays the status of the Misfire Monitor. The parameter will display Yes when the Misfire Monitor is Enabled.

Misfire Monitor Enabled This Ignition Cycle

—

Varies

This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle.

Neutral Position Sensor

—

%

This parameter displays the current state of the neutral position sensor in degrees.

NOx Catalyst Efficiency

—

%

This parameter displays the actual average Selective Catalyst Reduction (SCR) efficiency for urea quality determination.

NOx Catalyst Efficiency Gross Error Test

—

%

This parameter displays the actual average Selective Catalyst Reduction (SCR) efficiency for urea quality determination during the gross error test.

NOx Catalyst Reductant Load

—

g

This parameter contains the NH3 (Ammonia) storage in the SCR (Selective Catalyst Reduction) system in terms of gram.

NOx Catalyst Reductant-Load Adaptive Value

—

#

This parameter displays the phrase of the Pressure Control Valve (PCV) test results.

NOx Catalyst Reductant-Load Variance

—

g

This parameter displays the absolute difference between the targeted and estimated load in the SCR system in terms of grams.

NOx Catalyst System Malfunction Warning Indicator Command

—

1–7

This parameter displays the Non-Tamper SCR warning command.

NOx Sensor 1 Heater Circuit Open Test Status

—

OK

This parameter displays the state of the NOx Sensor 1 Heater Circuit. The parameter displays Malfunction if the NOx Sensor 1 Heater Circuit is open.

NOx Sensor 1 Heater Circuit Shorted Test Status

—

OK

This parameter displays the state of the NOx Sensor 1 Heater Circuit . The parameter displays Malfunction if the NOx Sensor 1 Heater Circuit is shorted.

NOx Sensor 1 Heater Command

—

Off

This parameter displays the state of the control circuit for NOx Sensor 1 Heater as commanded by the engine control module.

NOx Sensor 1 Heater Mode

—

Varies

This parameter displays the status of the NOx Sensor 1 Heater.

NOx Sensor 1 Heater Operation

—

Allowed

This parameter displays the state of the NOx Sensor 1 Heater Operation. The parameter displays Allowed when commanded by the engine control module.

NOx Sensor 1 Heater Resistance

—

Ω

This parameter displays the resistance value of the NOx sensor 1 heater.

NOx Sensor 1 NOx Concentration

—

ppm

This parameter displays the concentration of NOx in the exhaust gas.

NOx Sensor 1 NOx Signal Circuit Open Test Status

—

OK

This parameter displays the state of the NOx Sensor 1 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 1 NOx Signal circuit is open.

NOx Sensor 1 NOx Signal Circuit Shorted Test Status

—

OK

This parameter displays the state of the NOx Sensor 1 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 1 NOx Signal circuit is shorted.

NOx Sensor 1 Oxygen Concentration

—

%

This parameter displays the concentration of Oxygen in the exhaust gas from NOx sensor 1.

NOx Sensor 1 Oxygen Signal Circuit 1 Open Test Status

—

OK

This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 1 is open.

NOx Sensor 1 Oxygen Signal Circuit 1 Shorted Test Status

—

OK

This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 1 is shorted.

NOx Sensor 1 Oxygen Signal Circuit 2 Open Test Status

—

OK

This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 2 is open.

NOx Sensor 1 Oxygen Signal Circuit 2 Shorted Test Status

—

OK

This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 2 is shorted.

NOx Sensor 2 Heater Circuit Open Test Status

—

OK

This parameter displays the state of the NOx Sensor 2 Heater Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Heater Circuit is open.

NOx Sensor 2 Heater Circuit Shorted Test Status

—

OK

This parameter displays the state of the NOx Sensor 2 Heater Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Heater Circuit is shorted.

NOx Sensor 2 Heater Command

—

Off

This parameter displays the state of the control circuit for NOx Sensor 2 Heater as commanded by the engine control module.

NOx Sensor 2 Heater Mode

—

Varies

This parameter displays the status of the NOx Sensor 2 Heater.

NOx Sensor 2 Heater Operation

—

Allowed

This parameter displays the state of the NOx Sensor 2 Heater Operation. The parameter displays Allowed when commanded by the engine control module.

NOx Sensor 2 Heater Resistance

—

Ω

This parameter displays the resistance value of the NOx sensor 1 heater.

NOx Sensor 2 NOx Concentration

—

ppm

This parameter displays the concentration of NOx in the exhaust gas from NOx sensor 2.

NOx Sensor 2 NOx Signal Circuit Open Test Status

—

OK

This parameter displays the state of the NOx Sensor 2 NOx Signal Circuit . The parameter displays Malfunction if the NOx Sensor 2 NOx Signal Circuit is open.

NOx Sensor 2 NOx Signal Circuit Shorted Test Status

—

OK

This parameter displays the state of the NOx Sensor 2 NOx Signal Circuit . The parameter displays Malfunction if the NOx Sensor 2 NOx Signal Circuit is shorted.

NOx Sensor 2 Oxygen Concentration

—

%

This parameter displays the concentration of Oxygen in the exhaust gas from NOx sensor 2.

NOx Sensor 2 Oxygen Signal Circuit 1 Open Test Status

—

OK

This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 1 is open.

NOx Sensor 2 Oxygen Signal Circuit 1 Shorted Test Status

—

OK

This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 1 is shorted.

NOx Sensor 2 Oxygen Signal Circuit 2 Open Test Status

—

OK

This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 2 is open.

NOx Sensor 2 Oxygen Signal Circuit 2 Shorted Test Status

—

OK

This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 2 is shorted.

Number of Completed DPF Regenerations

—

Counts

This parameter displays the number of successful DPF regenerations.

Number of DTC(s)

—

Counts

This parameter displays the number of emission related DTCs stored in the ECM.

Odometer When Engine Overspeed Detected

Engine Idling

km/miles

This parameter displays the kilometers or miles of the Odometer When Engine Overspeed Detected.

Output Shaft Speed Sensor

Engine Idling

RPM

This parameter displays the transmission output speed.

PTO

—

Active / Inactive

This parameter contains an indication that power take off (PTO) is active

PTO Engine Shutdown Signal

—

Yes / No

This parameter contains several signals associated with the status of the power take off (PTO) and fast idle systems.  

Park/Neutral Position Switch

—

Park/Neutral/In Gear

This parameter indicates the range selection of the automatic transmission as calculated by the control module based on input from the park/neutral position (PNP) switch. The scan tool will display, In Gear, Park, or Neutral depending on the PNP switch position.

Particulate Matter Sensor

—

Mg/m3

This parameter displays the mass concentration of exhaust particulate matter measured by the particulate matter sensor.

Particulate Matter Sensor

—

uA

This parameter displays the measured current from the sensing element of the particulate matter sensor.

Particulate Matter Sensor Control Unit Communication Status

—

Ready

This parameter displays the communication status of the particulate matter sensor control unit.

Particulate Matter Sensor Identifier

—

#

This parameter displays the value sent from the sensor control unit to engine control module to provide sensor build information in order for the software to compensate for sensor variations.

Particulate Matter Sensor Measurement

—

Active

This parameter displays the status of the particular matter sensor.

Particulate Matter Sensor Operation

—

Allowed

This parameter displays if the exhaust temperature dew point is reached to allow the particulate matter sensor to operate.

Particulate Matter Sensor Regeneration

—

Inactive

This parameter displays Active when the particulate matter sensor is regenerating.

Particulate Matter Sensor Status

—

Ready

This parameter displays the status of the particulate matter sensor.

Particulate Matter Sensor Temperature

—

°C (°F)

This parameter displays the current temperature of the particulate matter sensor in Celsius and Fahrenheit.

Pilot Injection

—

Inactive

Pilot Injection Active indicates that pilot injections are active.

Positive Crankcase Ventilation Heater Command

—

On/Off

This parameter displays the current command of the positive crankcase ventilation heater.

Positive Crankcase Ventilation Heater Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the positive crankcase heater control circuit. The parameter displays Malfunction if the positive crankcase heater control circuit is shorted to voltage.

Positive Crankcase Ventilation Heater Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the positive crankcase heater control circuit. The parameter displays Malfunction if the positive crankcase heater control circuit is shorted to ground.

Positive Crankcase Ventilation Heater Control Circuit Open Test Status

—

OK

This parameter displays the state of the positive crankcase heater control circuit. The parameter displays Malfunction if the positive crankcase heater control circuit is open.

Post Injection

—

Inactive

Post Injection Active indicates that post injections is active

Power Mode

—

Off

This parameter displays the state of the System Power Mode. This signal is based upon the state of the system power mode received over serial communication from the vehicle electronics.

Radiator Coolant Temperature Sensor

—

°C (°F)

This parameter displays the radiator coolant temperature measured by a sensor located in the coolant outlet of the radiator.

Reduced Engine Power

—

Inactive

This parameter will display the fuel system status as commanded by the ECM.

Reduced Engine Power History

—

Varies

This parameter displays the last reason that the engine control module has illuminated the Reduced Engine Power (REP) indication.

Reductant Absolute Pressure

—

kPa

This parameter displays the absolute pressure of the reductant.

Reductant Fluid Quality Gross Error Test Diagnostics

—

Varies

This parameter displays the phases of the Selective Catalyst Reduction (SCR) service quality check procedure.

Reductant Fluid Quality Test

—

Completed with success

This parameter displays the phases of the SCR (Selective Catalyst Reduction) service quality check procedure.

Reductant Fluid Quality Test Diagnostic

—

Varies

This parameter displays the phases of the Selective Catalyst Reduction (SCR) service quality check procedure.

Reductant Fluid Quality Warning Indicator Command

—

None

This parameter displays the NOx reductant quality warning.

Reductant Heater 1 Command

Ignition ON

On / Off

This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests 

Reductant Heater 1 Control Circuit High Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests 

Reductant Heater 1 Control Circuit Low Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests 

Reductant Heater 1 Control Circuit Open Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests 

Reductant Heater 1 Current

—

Amps

This parameter contains the current feedback for the reductant heater 1 output.

Reductant Heater 1 High Control Circuit High Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests 

Reductant Heater 1 High Control Circuit Low Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the current feedback for the reductant heater 1 output.

Reductant Heater 2 Command

Ignition ON

On / Off

This parameter contains the commanded state of the reductant heater 2 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests 

Reductant Heater 2 Control Circuit High Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the reductant heater 2 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests 

Reductant Heater 2 Control Circuit Low Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the current feedback for the reductant heater 2 output.

Reductant Heater 2 Control Circuit Open Test Status

—

OK, Malfunction, Not Run

This parameter indicates the status of the NOx (Nitrogen Oxides) Reductant Tank.

Reductant Heater 2 Current

—

Amps

This parameter contains the current feedback for the reductant heater 2 output.

Reductant Heater 2 High Control Circuit High Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the reductant heater 2 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests 

Reductant Heater 2 High Control Circuit Low Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the current feedback for the reductant heater 2 output.

Reductant Heater 1 Request

—

Off

This parameter displays the commanded state of the Reductant Heater 1. The Reductant Heater 1 should be On when the scan tool indicates the Reductant Heater 1 Command is ON.

Reductant Heater 2 Request

—

Off

This parameter displays the commanded state of the Reductant Heater 2. The Reductant Heater 2 should be On when the scan tool indicates the Reductant Heater 2 Command is ON.

Reductant Heater 3 Request

—

Off

This parameter displays the commanded state of the Reductant Heater 3. The Reductant Heater 3 should be On when the scan tool indicates the Reductant Heater 3 Command is ON.

Reductant Injection Control Extreme Pressure Test

—

Passed

This parameter displays the test status of the NOx reductant dosing system extreme pressure test.

Reductant Injection Control Low Pressure Test

—

Passed

This parameter displays the test status of the NOx reductant dosing system low pressure test.

Reductant Injection Control Overpressure Test Status

—

Passed

This parameter displays the test status of the NOx reductant closing system overpressure test.

Reductant Injection Control Pressure Build-Up Test Status

—

Passed

This parameter displays the test status of the NOx reductant dosing system test.

Reductant Injection Inhibit Reason

—

None

This parameter displays the reasons why the NOx Reductant system has been inhibited from operation.

Reductant Injector Command

—

%

This parameter displays the commanded duty cycle for the NOx reductant dosing valve output.

Reductant Injector Control Circuit Status

—

No Malfunction Present

This parameter displays the status of the Reductant Injection Control Circuit output.

Reductant Level

—

%

This parameter displays the total Reductant level as a percentage of the rated capacity of the tank.

Reductant Level Sensor 1

—

Inactive

This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir.

Reductant Level Sensor 1 Circuit Status

—

No Malfunction

This parameter displays the circuit status of each reductant level sensor.

Reductant Level Sensor 2

—

Inactive

This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir.

Reductant Level Sensor 2 Circuit Status

—

No Malfunction

This parameter displays the circuit status of each reductant level sensor.

Reductant Level Sensor 3

—

Inactive

This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir.

Reductant Level Sensor 3 Circuit Status

—

No Malfunction

This parameter displays the circuit status of each reductant level sensor.

Reductant Level Warning Indicator Command

—

None

This parameter displays the engine control module (ECM) requested reductant fluid level warning indicator state.

Redundant Odometer Memory

—

Present/Not Present

This parameter displays if there is a reductant odometer reading present in the control module.

Reductant Pressure

—

kPa

This parameter displays the engine Reductant pressure from the sensor.

Reductant Pressure Sensor

—

Volts

This parameter contains the reductant pressure analog input as a percentage of its reference voltage.

Reductant Pump Command

—

%

This parameter displays the commanded duty cycle for the NOx reductant pump output.

Reductant Pump Control Circuit Status

—

No Malfunction Present

This parameter displays the status of the Reductant Pump Control Circuit.

Reductant Pump Speed

—

RPM

This parameter contains the actual reductant pump motor speed.

Reductant Purge Solenoid Valve Command

—

On/Off

This parameter displays the commanded state of the reductant line purge solenoid valve. The scan tool displays On when the reductant line purge solenoid valve is commanded ON.

Reductant Purge Solenoid Valve Control Circuit Status

—

No Malfunction Present

This parameter displays the status of the Reductant Purge Solenoid Valve Control Circuit.

Reductant Range

—

km/miles

This parameter displays the Distance that can be driven before the Reductant tank needs to be refilled.

Reductant System Adaption Diagnostic

—

Varies

This parameter displays the status of the Selective Catalyst Reduction (SCR) adaption check diagnosis.

Reductant System Malfunction Warning Indicator Command

—

None

This parameter displays the NOx Reductant System Malfunction warning.

Reductant System Malfunction Warning Service Bay Test

—

Varies

This parameter displays a malfunction warning for the reductant system during a service bay test.

Reductant System Tamper Warning Service Bay Test Abort Reason

—

Not Requested, In Progress, Passed, Failed, Interrupted

This parameter contains the status of the SCR Tamper/No Tamper service bay test procedure.

Reductant System Tamper Warning Service Bay Test Result

—

Reductant System Tamper Warning Service Bay Test Result

This parameter holds the most recent abort reason for the SCR Tamper/No Tamper service bay test algorithm

Reductant Tank Level

—

Varies

This parameter displays the current reductant tank fluid level.

Reductant Tank Temperature 1

—

ºC (ºF)

This parameter contains the undefaulted reductant temperature measured by a sensor that is located within the holding tank. 

Reductant Tank Temperature 2

—

ºC (ºF)

This parameter contains the undefaulted reductant temperature measured by a sensor that is part of the reductant quality sensor

Reductant Tank Temperature Sensor 2 Circuit Erratic Test Status

—

Yes / No

This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy.

Reductant Tank Temperature Sensor 2 Circuit High Voltage Test Status

—

Yes / No

This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy.

Reductant Tank Temperature Sensor 2 Circuit Low Voltage Test Status

—

Yes / No

This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy.

Reductant Tank Temperature Sensor 2 Circuit Performance Test Status

—

Yes / No

This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy.

Reductant Tank Temperature Sensor Circuit Erratic Test Status

—

Yes / No

This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy.

Reductant Tank Temperature Sensor Circuit High Voltage Test Status

—

Yes / No

This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy.

Reductant Tank Temperature Sensor Circuit Low Voltage Test Status

—

Yes / No

This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy.

Reductant Temperature

—

°C (°F)

This parameter displays the Reductant temperature measured by a sensor that is located within the holding tank.

Remaining Reductant in Tank

—

g

This parameter displays the current reductant remaining in the holding tank.

Remaining Fuel in Tank

—

%

This parameter displays the total fuel level as a percentage of the rated capacity of the fuel tank.

Remaining Fuel in Tank

—

Liters

This parameter displays the actual total fuel volume contained in the fuel tank.

Remote Vehicle Start Disable History 1–8

—

Reason for RVS Disable

These parameters display the last eight reasons the control module disabled remote vehicle start (RVS).

Remote Vehicle Start Request Signal

—

Off

Remote Vehicle Start Request indicates the state of the request received over serial communication from the remote vehicle start (RVS) system to start the vehicle in remote mode.

Replicated Transmission OSS Signal

—

RPM

This parameter displays the Replicated Transmission Output Speed (Replicated TOS) received from the Transmission Control Module.

Sensor Supply Voltage Relay Command

—

On / Off

This parameter contains the exhaust gas recirculation cooler temperature at power-up (Run/Crank transition from low to high) from a sensor that is located before the inlet of the exhaust gas recirculation cooler heat exchanger.

Soot Mass Correction

—

#

This parameter displays the soot mass correction value caused by Continuous Regenerating Trap (CRT) effect.

Specific Humidity

—

%

This parameter displays the current specific humidity in percentage.

Start-Up Charge Air Cooler Temperature

—

°C (°F)

This parameter displays the current start-up charge air cooler temperature.

Start-Up Charge Air Cooler Inlet Temperature

—

ºC (ºF)

This parameter contains the charge air temperature (measured by a sensor that is located first in the charge air cooler stream in relationship to any other charge air cooler temperature sensors in the system.) recorded at power-up.

Start-Up Charge Air Cooler Outlet Temperature

—

ºC (ºF)

This parameter contains the charge air temperature (measured by a sensor that is located second in the charge air cooler stream in relationship to any other charge air cooler temperature sensors in the system.) recorded at power-up.

Start-Up Temperature EGR Cooler Temperature Sensor 1

—

ºC (ºF)

This parameter contains the exhaust gas recirculation cooler temperature at power-up (Run/Crank transition from low to high) from a sensor that is located before the inlet of the exhaust gas recirculation cooler heat exchanger.

Start-Up Temperature EGR Cooler Temperature Sensor 2

—

ºC (ºF)

This parameter contains the exhaust gas recirculation cooler temperature at power-up (Run/Crank transition from low to high) from a sensor that is located on the outlet of the exhaust gas recirculation cooler heat exchanger.

Start-Up ECT

—

°C (°F)

This parameter Indicates the engine coolant temperature at engine start up as calculated by the control module based on the signal from the ECT sensor. The scan tool will display a higher value on a warmer engine, and a lower value on a colder engine.

Start-Up Exhaust Gas Temperature Sensor 1, 2, 3, or 4

—

°C (°F)

This parameter displays the current start-up exhaust gas temperature for sensor 4.

Start-Up Fuel Temperature

—

°C (°F)

This parameter Indicates the fuel temperature at engine start up as calculated by the control module based on the signal from the fuel temperature sensor. The scan tool will display a higher value on a warmer fuel, and a lower value on a colder fuel.

Start-Up IAT Sensor 1–3

—

°C (°F)

This parameter indicates the intake air temperature at engine start up as calculated by the control module based on the signal from the IAT sensor. The scan tool will display a higher value during warmer under hood temperatures, and a lower value during colder under hood temperatures.

Start-Up Particulate Matter Sensor Temperature

—

°C (°F)

This parameter displays the start-up particulate matter temperature in Celsius and Fahrenheit.

Starter Relay Command

—

Off

The scan tool displays ON/OFF. The scan tool displays Off until the ignition is placed into the CRANK position, then it reads On.

Starter Relay Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is shorted to voltage. This parameter may not change if the scan tool is used to command the relay control circuit ON.

Starter Relay Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is shorted to ground. This parameter may not change if the scan tool is used to command the relay control circuit ON.

Starter Relay Control Circuit Open Test Status

—

OK

This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is open. This parameter may not change if the scan tool is used to command the relay control circuit ON.

Starter Motor Relay Control Circuit High Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the starter relay output along with the status of its associated short to ground, open circuit, and short to power tests 

Starter Motor Relay Control Circuit Low Voltage Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the starter relay output along with the status of its associated short to ground, open circuit, and short to power tests 

Starter Motor Relay Control Circuit Open Test Status

—

OK, Malfunction, Not Run

This parameter contains the commanded state of the starter relay output along with the status of its associated short to ground, open circuit, and short to power tests 

TCC Control

—

Disengaged

This parameter displays the current state of the TCC.

Torque Delivered Signal

—

N·m

This parameter displays the engine torque based upon the airflow through the engine and the torque losses due to fuel shutoff. Since this is a steady state engine torque, it does not include the inertial component of engine torque.

Total Fuel Consumed

—

Liters

This parameter displays the fuel consumed in the current drive cycle in liters.

Total Misfire

—

Counts

This parameter displays the total number of cylinder firing events that the control module detected as misfires for the last 200 crankshaft revolution sample period.

Tow/Haul Mode

—

Active / Inactive / Not Available

This parameter contains signals associated with Tow Haul Mode as selected by the driver mode determination (DMD) switches

Traction Control Status

—

Inactive

This parameter displays Active if the electronic brake and traction control module (EBTCM) is commanding traction control.

Traction Control Torque Delivered Signal

—

%

This parameter displays the estimated engine torque delivered by the powertrain, as a percentage of maximum engine torque that is provided to the ABS/TCS module.

Traction Control Torque Request Signal

—

%

This parameter displays the engine torque requested by the traction control system, as a percentage of maximum engine torque.

Transmission Inhibiting Engine Cranking

—

Yes / No

This parameter contains several signals associated with the status of the power mode and starter systems

Turbocharger Control Module Supply Voltage

—

Volts

This parameter contains the undefaulted voltage applied to the turbocharger actuator power supply pins.

Turbocharger Vane Learned Closed Position

—

%

This is the learned position of the blades that control the airflow into the turbo charger. This parameter displays the learned closed position.

Turbocharger Van Learned Closed Position

—

Volts

This parameter displays the minimum position learned for Turbo Charger Vane position sensor when the Turbo Charger Vanes are closed.

Turbocharger Vane Learned Open Position

—

%

This is the learned position of blades that control the airflow into the turbo charger. This parameter displays the learned open position.

Turbocharger Vane Learned Open Position

—

Volts

This parameter displays the minimum position learned for Turbo Charger Vane position sensor when the Turbo Charger Vanes are open.

Turbocharger Vane Position Learn Status

—

Learned

This parameter indicates the status of the control module in learning the turbocharger vane position. The scan tool will display No if the turbocharger vane position has not been learned since the last DTC clear.

Turbocharger Vane Position Initial Learned Value

—

Counts

This parameter contains the end of line (EOL) learn span in commutation counts

Turbocharger Vane Position Learned Value

—

Counts

This parameter contains the full span learn (FSL) in commutation counts that occurs at ignition off.  

Turbocharger Vane Position Sensor

—

%

This parameter displays the current commanded state of the turbocharger vane position control solenoid valve by the control module. The scan tool will display a higher value as the solenoid is commanded open. The scan tool will display a lower value as the solenoid is commanded closed.

Turbocharger Vane Position Sensor

—

Volts

This parameter displays the voltage signal sent to the control module from the sensor. The scan tool will display a higher value as the solenoid is commanded open. The scan tool will display a lower value as the solenoid is commanded closed.

Turbocharger Vane Position Solenoid Valve Circuit High Voltage Test Status

—

OK

This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted to voltage.

Turbocharger Vane Position Solenoid Valve Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted to ground.

Turbocharger Vane Position Solenoid Valve Circuit Open Test Status

—

OK

This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is open.

Turbocharger Vane Position Solenoid Valve Circuit Shorted Test Status

—

OK

This parameter displays the state of the Turbocharger Vane Position Solenoid Valve Circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted.

Turbocharger Vane Position Solenoid Valve Command

—

%

This parameter displays the commanded duty cycle for the solenoid on variable geometry turbocharger.

Turbocharger Vane Position Solenoid Valve Control Circuit Command

—

Off

This parameter displays the commanded state of the turbocharger solenoid valve.

Turbocharger Vane Position Solenoid Valve Control Driver Overtemperature

—

No

This parameter displays the state of the turbocharger vane position solenoid valve control driver.

Turbocharger Vane Position Solenoid Valve High Control Circuit Command

—

Off

This parameter displays the commanded state of the turbocharger solenoid valve high control circuit.

Turbocharger Vane Position Solenoid Valve High Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the Turbocharger Vane Position Solenoid Valve high control circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve high control circuit is shorted to voltage.

Turbocharger Vane Position Solenoid Valve High Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the Turbocharger Vane Position Solenoid Valve high control circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve high control circuit is shorted to ground.

Turbocharger Vane Position Solenoid Valve High Control Circuit Open Test Status

—

OK

This parameter displays the state of the Turbocharger Vane Position Solenoid Valve high control circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve high control circuit is open.

Vehicle Speed Output Circuit 2 High Voltage Test Status

—

OK

This parameter displays the state of the Vehicle Speed Output circuit 2 control circuit. The parameter displays Malfunction if the Vehicle Speed Output circuit 2 control circuit is shorted to voltage.

Vehicle Speed Output Circuit 2 Low Voltage Test Status

—

OK

This parameter displays the state of the Vehicle Speed Output circuit 2 control circuit. The parameter displays Malfunction if the Vehicle Speed Output Circuit 2 control circuit is shorted to ground.

Vehicle Speed Output Circuit 2 Open Test Status

—

OK

This parameter displays the state of the Vehicle Speed Output circuit 2 control circuit. The parameter displays Malfunction if the Vehicle Speed Output circuit 2 control circuit is open.

Vehicle Speed Sensor

—

km/h/MPH

This parameter indicates the vehicle speed as calculated by the control module based on a signal from the vehicle speed sensor (VSS). The scan tool will display a higher value at higher vehicle speeds, and a lower value at lower vehicle speeds.

Vehicle Speed When Engine Overspeed Detected

Engine Idling

Km/h

mph

This parameter displays the Vehicle Speed When Engine Overspeed Detected.

Wait to Start Indicator Command

—

On/Off

The wait to start indicator illuminates with the ignition ON and the engine OFF. The wait to start indicator will not illuminate during post-start glow plug operation.

Wait to Start Indicator Control Circuit High Voltage Test Status

—

OK

This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is shorted to voltage.

Wait to Start Indicator Control Circuit Low Voltage Test Status

—

OK

This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is shorted to ground.

Wait to Start Indicator Control Circuit Open Test Status

—

OK

This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is open.

Warm-ups Since DTC Cleared

—

Counts

This parameter indicates the number of warm up cycles that have occurred Since DTCs were cleared. The scan tool will display a higher counts as more warm up cycles have occurred since the DTCs were cleared.

Warm-ups without Emission Malfunctions

—

Counts

This parameter indicates the number of warm up cycles that have occurred without an emission fault present. The scan tool will display a 0 if a malfunction has occurred. The scan tool will display a higher count if a number of warm up cycles have occurred without an emission malfunction.

Warm-ups without Non-emission Malfunctions

—

Counts

This parameter indicates the number of warm up cycles that have occurred without a non-emission fault present. The scan tool will display a 0 if a malfunction has occurred. The scan tool will display a higher count if a number of warm up cycles have occurred without a non-emission malfunction.

Water in Fuel

—

No

This parameter indicates if there is water in the fuel.

Water in Fuel Indicator Command

—

Off

This parameter indicates if water in the fuel indicator is On or Off.

Water in Fuel Sensor

—

Volts

This parameter displays the water in fuel sensor voltage input.

This is a comprehensive list. Not all output controls listed are available for all applications.

A/C Compressor Clutch Relay

This device control is used to override the state of the air conditioning compressor output.

Ambient Air Temperature Calculation Reset

This device control is used to reset the estimated ambient air temperature value to the current sensor value following a service repair.

BARO Sensor Reset

This device control is used to reset learned barometric pressure values in case of either an ECU or barometric pressure sensor replacement.

Brake Pedal Position Sensor Learn

This device control is used to reset the initialized values for the brake pedal fully released learned position.

Catalyst Reset

This device control is used to reset learned values in case of a diesel oxidation catalyst replacement. The engine must be OFF and Ignition ON.

Compression Test Starter Relay

This device control is used to set up the internal combustion engine for a compression test.  

Coolant Fill

This device control is used to start an automatic coolant fill service routine that will ensure proper fill and de-aeration of the cooling system.

Cooling Fan Motor

This device control is used to override the state of cooling fan duty cycle control output.

Crankshaft Position Reluctor Ring Learned Values Reset

This device control is used to reset the crank wheel adaptation values in case of an ECU or crank wheel replacement.

Crankshaft Position Variation Learn

This device control is used to activate the crankshaft position variation learn (CASE) algorithm which calculates the reference pulse correction factors for the misfire diagnostic.

Cylinder 1–8 Fuel Injector Correction Value Reset

This device control is to be used to reset the NVC and ZFC values to zero if one or more of the fuel injectors have been replaced.

Cylinder 1–8 Injector Flow Identifier

This device control contains the data that the Engine Control Module will need in order to do proper Injector Fuel Quantity adjustments. If a new ECM is being installed, this data shall be read from the old ECM and transferred to the new ECM.

If an injector is replaced, the injector code must be downloaded to the ECM

Cylinder Balance Rate Monitor

This device control is used to enable or disable Cylinder Fuel Balancing.

Cylinder Power Balance

This device control disables each fuel injector at any engine or vehicle speed. The device control will not change unless changed or cancelled by the scan tool.

DPF Pressure Sensor Reset

This device control is used to reset learned values in case of a diesel particulate filter pressure sensor replacement.

DPF Regeneration Enable

This function enables a DPF Regeneration when the vehicle meets the conditions for running. This function will by-pass the normal soot model, so the next time the vehicle is under the conditions for an active regeneration to take place, the ECM will go ahead and initiate the regeneration event.

This device control is used to Force the Diesel Particulate Filter to perform regeneration. The Device Control sets an indication in the ECU that the controller shall perform regeneration, the next time the driving condition are met. The Regeneration shall be performed even if the tool is no longer connected to the vehicle.

DPF Regeneration Inhibit

This device control is used to inhibit the Diesel Particulate Filter to perform regeneration, even if the driving conditions are met. The inhibit function shall only work when the tool is connected to the vehicle.

DPF Reset

This device control is used to reset learned values in case of a diesel particulate filter replacement.

DPF Service Regeneration

This device control enables a DPF Regeneration. The engine coolant must be greater than 70–115°C (158–239°F). Vehicle must be in Park. Ambient temperature must be greater than −30°C (−22°F). Brake pedal and accelerator must be in the released position. The scan tool will display all inhibit reasons. The scan tool must remain connected until test is complete. This function takes approximately 35 minutes to complete. During this procedure the RPM will slowly increase to 2,500 RPM and remain there for approximately 25 minutes.

EGR

This device control is used to verify functionality of the Exhaust Gas Recirculation Valve by allowing the Exhaust Gas Recirculation Valve output to be commanded to a specific duty cycle.

EGR Cooler Bypass Motor

This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve system by allowing the EGR Cooler Bypass Valve output to be commanded to a specific position.  

EGR Cooler Bypass Valve

This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve system by allowing the EGR Cooler Bypass Valve output to be commanded to a specific position

EGR Valve

This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) system by allowing the Exhaust Gas Recirculation output to be commanded to a specific lift.

Engine Compression Quick Test

This device control is used to initiate the semi-automatic compression test on Diesel engines.

Engine Controls Ignition Relay

This device control is used to override the state of the Powertrain Relay.

Engine Oil Life Reset

This device control contains the engine oil remaining life determined from a calibration based upon the effective engine revolutions and the distance driven since the last oil change. This device control may be used to reset the engine oil remaining life to 100% after an oil change or to any other value when replacing an engine control module.

Engine Oil Pressure Control Solenoid Valve

This device control is used to override the state of the variable displacement oil pump. When the variable displacement oil pump is turned ON, the oil pump will be commanded to a low pressure state.

Engine Speed

This device control is used to override the idle engine speed.

Exhaust Aftertreatment Data Reset

This device control is used to reset the exhaust aftertreatment fuel injector OEM data in case of a replacement.

Exhaust Aftertreatment Fuel Injector

This device control is used to verify functionality of the Exhaust Aftertreatment Fuel Injector  by allowing Exhaust Aftertreatment Fuel Injector  output to be commanded to a specific duty cycle.  

Exhaust Aftertreatment Fuel Injector Cleaning Procedure

This device control is used to trigger the Exhaust Aftertreatment Fuel Injector tip cleaning procedure.

Exhaust Aftertreatment Fuel Injector Flow Test

This device control is used to trigger the Exhaust Aftertreatment Fuel Injector  to be commanded on for a calibrateable duration and a calibrateable HC injection quantity in order to test the flow of the injector.  

Exhaust Gas Recirculation

This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) system by allowing the Exhaust Gas Recirculation output to be commanded to a specific lift.

Exhaust Gas Temperature Sensor Reset

This device control is used to reset the SCR (Selective Catalytic Reduction) Temperature Sensor data in case of a replacement.

Fuel Filter Life Reset

This device control resets the fuel filter life remaining to 100%.

Fuel Injection Small Quantity Data Reset

This device control is used to reset the learned values of the small quantity adjustment (SQA) map in case of a fuel rail pressure sensor replacement.

Fuel Injection Small Quantity Learning Odometer Reset

This device control is used to initialize small quantity learn internal odometer to a default value. 

Fuel Heater Relay

This device control is used to override the state of the Fuel Filter Heater output.

Fuel Injector Balance

This feature will allow the technician to inspect the fuel system for leaks after servicing the fuel system or after any other service procedure that required disconnection or removal of fuel system components.

Fuel Injector Correction Value Preset

This device control resets all injector NVC and ZFC values to the default value. This device control is to be used if the old ECM values cannot be transferred to the new ECM after replacement.

Fuel Pressure Regulator 1

This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to activate the fuel pressure regulator 1 at ignition ON, engine OFF. Both the low side and high side of the regulator are controlled together. Commanding the regulator to ON will modulate the high side driver to a calibratible “maximum” duty cycle. (Note: As this is an electrical circuit test, a regulator solenoid commanded to ON does not necessarily equate to the regulator state at maximum fuel pressure.)

Fuel Pressure Regulator 2

This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to activate the fuel pressure regulator 2 at ignition ON, engine OFF. Both the low side and high side of the regulator are controlled together. Commanding the regulator to ON will modulate the high side driver to a calibratible “maximum” duty cycle. (Note: As this is an electrical circuit test, a regulator solenoid commanded to ON does not necessarily equate to the regulator state at maximum fuel pressure.)

Fuel Pump Relay

This device control is used to override the state of the fuel pump output.

Fuel Pump 2 Relay

This device control is used to override the state of the electric secondary transfer pump output.

Fuel Rail Pressure

This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to override the commanded fuel high pressure output from the powertrain controller.

Fuel Trim Enable

This device control is used to deactivate the Fuel Mass Observer (FMO).

Fuel Trim Reset

This device control is used to reset the Fuel Mass Observer data in case of a replacement.

Generator L-Terminal

The commanded states are ON and OFF. Selecting OFF commands the ECM to turn OFF the generator and stop generating an output voltage.

High Side Driver 1

This device control is used to override the state of the Shared High Side Driver 1 output.  

High Side Driver 2

This device control is used to override the state of the Shared High Side Driver 2 output.  

HO2S Heater Sensor 1

This device control is used to override the duty cycle of the oxygen sensor heaters.

Intake Air Flow Valve Motor

This function increases or decreases the position of the IAF valve.

Intake Air Flow Valve Position

This parameter displays the actual position of the intake air flow valve.

Intake Manifold Runner Control Valve

This device control is used to override the state of the intake manifold runner control output.

Malfunction Indicator Lamp (MIL)

This device control is used to either turn the Malfunction Indicator Lamp (MIL) on or off.

Misfire Graphic

This device control produces a misfire graphic while the engine is running.

NOx Catalyst Reductant Loading Reset

This device control is used to reset the adaptive values for the SCR (Selective Catalytic Reduction) data.

NOx Catalyst Reset

This device control is used to reset the Selective Catalytic Reduction (SCR) data in case of a replacement.

NOx Sensor 1 Heater- Engine Running

This device control is used to control the duty cycle of the NOx Sensor 1 Heater with the engine running. The Duty Cycle is fixed at a predetermined value and is controlled for a predetermined amount of time.

NOx Sensor 1 Reset

This device control is used to reset the NOx Sensor 1 data in case of a replacement. The engine must be Off and the Ignition On.

NOx Sensor 2 Heater- Engine Running

This device control is used to control the duty cycle of the NOx Sensor 2 Heater with the engine running. The Duty Cycle is fixed at a predetermined value and is controlled for a predetermined amount of time.

NOx Sensor 2 Reset

This device control is used to reset the NOx Sensor 2 data in case of a replacement. The engine must be OFF and the Ignition ON.

Particulate Matter Sensor Service Regeneration

This device control is used to force a particulate matter sensor measurement cycle, consisting of a particulate sensor probe regeneration and subsequent soot accumulation measurement. The system will return to normal control after one measurement cycle is successfully completed. One full measurement cycle can take 15 minutes or more to complete depending up the particulate filter state of health.

Pilot Injection Balance Procedure

This device control disables each fuel injector pilot injection. Device Control can be changed at any engine or vehicle speed. The device control will not change unless changed or cancelled by the scan tool.

Positive Crankcase Ventilation Heater

This device control is used to turn the crankcase ventilation heater output ON or OFF.

Prime Fuel Pump

This device control is used to override the state of the fuel pump output. 

Programming History

This device control is used to view the history buffer entries for the primary calibration part in the controller.

Reductant Fluid Quality Test

This device control is used to force a Selective Catalyst Reduction (SCR) Service Quality Check.

Reductant Fluid Tank Level Reset

This device control is used to Reset the Reductant Fluid Tank Level.

Reductant Heater 1

This device control is used to override the state of the Reductant Heater 1. The scan tool disables the test when the following control limits are exceeded.

• Reductant System DTC is set.
• The exhaust temperature is too low.
• Ignition voltage is too low.
• Ignition voltage is too high.

Reductant Heater 2

This device control is used to override the state of the Reductant Heater 2.

Reductant Heater 3

This device control is used to override the state of the Reductant Heater 3.

Reductant Injection Quantity Test

This device control is used to inject a specific amount of reductant from the reductant injector. A system purge will be required once the test is complete.

Reductant Injector

This device control is used to verify functionality of the NOx Reductant Injector by allowing NOx Reductant Injector output to be commanded to a specific duty cycle.

Reductant Injector Reset

This device control is used to reset the Reductant Injector variables after the Injector is replaced.

Reductant Pump

This device control is used to verify functionality of the NOx Reductant Pump by allowing NOx Reductant Pump output to be commanded to a specific duty cycle.

Reductant Purge

This device control is used to purge the reductant lines of fluid.

Reductant Purge Valve

This device control is used to command the state of the NOx Reductant Line Purge valve.

Reductant System Tamper Warning Service Bay Test

This device control is used to force a SCR (Selective Catalyst Reduction) service bay test.

Reductant System Data Reset

This device control is used to reset the ECM data in case of a replacement.

Reductant System Leak Test

This device control is used to pressurize the reductant system in order to perform a visual inspection for leaks. A system purge will be required once the test is complete.

Reductant System Malfunction Warning Service Bay Test

This device control triggers the Selective Catalytic Reduction (SCR) Tamper Service Bay Test.

Reductant System Reset

This device control is used to reset the Reductant Module data in case of a replacement.

Remote Vehicle Start Disable History Reset

This device control is used to trigger the reset of the last eight reasons that powertrain has disabled remote vehicle start (RVS).

Sensor Supply Voltage Relay

This device control is used to control the sensor bus supply relay.

Starter Relay

This device control is used to override the state of the Starter Relay output. Fuel is disabled to prevent the engine from starting if the starter relay output is commanded On.

Total Fuel Consumed Reset

This device control contains the after treatment related data parameter that needs to be transferred in case of an ECM replacement.

Turbocharger Learn

This device control is used when the Turbocharger assembly, Vane position control solenoid valve, Vane position sensor is replaced, or repairs that disturb turbocharger components.

Turbocharger Vane Position

This device control adjusts the turbocharger vane position in 5 percent increments from 0–100 percent. The device control will be aborted if engine speed is above idle or if the coolant temperature is too cold.

Turbocharger Vane Position Actuator 

This device control is used to control the duty cycle for a variable geometry turbocharger .

Turbocharger Vane Position Learn

This device control triggers the Variable Geometry Turbo (VGT) Actuator Learn in the event of a turbocharger or actuator replacement.

Turbocharger Vane Position Solenoid Valve

This device control cycles the turbocharger vane position solenoid to 100 percent boost and back to 0 percent boost. The device control is limited to engine speeds less than 1,500 RPM and will be disabled if DTC P0047 or P0048 are set.

Wait to Start Indicator

This device control is used to turn the Glow Plug (Wait to start) Lamp ON/OFF.