X0450

Hybrid/EV Battery Pack Sensor Module Mismatch

History of incorrect type of battery voltage sensor being installed

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X0460

Hybrid/EV Battery Cooling Performance Decrement

"Maintenance Required for Traction Battery Cooling Parts See Owner's Manual" is displayed on the multi-information display

Countermeasures:

If "Maintenance Required for Traction Battery Cooling Parts See Owner's Manual" is displayed on the multi-information display, check the following items:

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X0461

DC/DC Converter Cooling Performance Decrement

History of the rotation command value necessary for the cooling being extremely high due to filter blockage

Countermeasures:

Check that there is no luggage blocking the cooling intake duct and the intake filter is not clogged with dust, and clean if required

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X0500

Shift P Operation during Running

History of P position switch operation while driving

Countermeasures:

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X0501

Shift Operation when Auxiliary Battery Voltage Low

History of shift position change attempted when battery voltage was low

Countermeasures:

The auxiliary battery should be checked and maintained regularly to keep it in good working condition

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X0502

Consecutive Shift Change between Shift P and Other than Shift P in Short Times

History of shift state being attempted to be changed to and from P within a short period of time, or history of attempting to change the shift state from P to another position with the ignition switch ON while the vehicle is on a hill

Countermeasures:

Wait for a while and then attempt to change the shift state again, or try again after turning the ignition switch to ON (READY)

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X0503

Shift Operation during Ready Indicator Blinking

History of attempt to change shift state from P with READY indicator light flashing

Countermeasures:

Perform a shift operation after the READY indicator light illuminates

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X0504

Shift R/D/B(S) Operation during Ready OFF

History of attempt to change shift state to R, D or S with ignition switch ON and READY indicator not illuminated

Countermeasures:

Perform a shift operation with the READY indicator light illuminated

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X0505

Shift Operation during Accelerator & Brake Depress

History of attempts to change shift state from P while engine running and accelerator and brake pedals depressed

Countermeasures:

Perform the shift operation while depressing only the brake pedal and not the accelerator pedal

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X0506

Shift B(S) Operation from Shift Position R

History of shift state being changed to N when attempting to change to M directly from R

Countermeasures:

Change to shift state D first, and then to S

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X0507

Shift D Operation during Backward Movement

History of attempt to change shift state to D while reversing

Countermeasures:

Change the shift state to D after the vehicle has stopped

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X0508

Shift R Operation during Forward Movement

History of attempt to change shift state to R while driving forward

Countermeasures:

Change the shift state to R after the vehicle has stopped

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X0509

Shift R/D Operation during Ready OFF

History of shift state being changed to neutral (N) due to shift lever being held in R or D with ignition switch ON

Countermeasures:

Move the shift lever to the P range to resolve the issue

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X050A

Quick Shift Operation to Shift Position N during Running

History of shift state being changed to N while driving, without shift lever being held in N for a long enough time

Countermeasures:

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X050B

Shift N Change by Busy Shift

History of shift state being changed to N due to shift lever being repeatedly moved to R, D and/or N within a short period of time

Countermeasures:

Remove hand from shift lever after performing a shift operation

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X050C

Shift N Operation on The Way Back to Home Position after Shift D/R Operation

History of shift state being changed to N when shift lever was returning from R or D

Countermeasures:

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X050D

Shift R Operation on The Way Back to Home Position after Shift D Operation

History of shift state being changed to R when shift lever was returning from D

Countermeasures:

Remove hand from shift lever after performing a shift operation

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X050E

Shift D Operation on The Way Back to Home Position after Shift R Operation

History of shift state being changed to D when shift lever was returning from R

Countermeasures:

Remove hand from shift lever after performing a shift operation

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X050F

Shift P Auto Change by Cruise Control

History of shift state being changed to P when the vehicle was stopped for a certain period of time during cruise control operation

Countermeasures:

During cruise control operation, when the vehicle will be stopped for a long period of time, temporarily turn off the cruise control

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X0510

Shift Operation without Depressing Brake from Shift Position P

History of attempt to change shift state from P with brake pedal not depressed

Countermeasures:

Perform a shift operation while firmly depressing the brake pedal

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X0511

Shift N Operation at Short Times during Low Speed/Stopping

History of attempt to change shift state to N by not holding shift lever in N for a long enough time while stopped or driving at a low speed

Countermeasures:

Hold the shift lever in N for a certain amount of time

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X0512

Shift B(S) Operation from Shift Position P/N

History of attempt to change shift state from P or N to B (S)

Countermeasures:

Change to shift state D first, and then to B (S)

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X0513

Shift N Operation during Running

History of shift state being changed to N by holding shift lever in N for a certain amount of time while driving

Countermeasures:

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X0514

Shift Operation to Except P Position during Hybrid/EV Battery Charging/Power Feeding

History of attempts to change shift state from park (P) to any other position when charging from external power source or supplying power to external power source

Countermeasures:

Disconnect the charging plug before performing a shift operation

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X0515

Shift P Operation before Vehicle Stop

History of shift state not being changed to P when P position switch was operated before vehicle was stopped

Countermeasures:

Operate the P position switch after the vehicle has stopped

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X0516

Shift P Operation during Other than Shift P Operation

History of P position switch and shift lever being operated simultaneously

Countermeasures:

Check that the shift lever is in the home position and then operate the P position switch

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X0517

Auto Change to Shift Position P Cancel

History of P position automatic change function not operating

Countermeasures:

Operate the P position switch, confirm that the shift indicator has changed to P, then turn the ignition switch from ON (IG) to off again

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X0518

Voltage Low for Shift Control System

History of shift control system not operating due to drop in power source voltage

Countermeasures:

The auxiliary battery should be checked and maintained regularly to keep it in good working condition

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X051A

Shift Operation on Gradient during Ready OFF

History of attempt to change shift state from P with ignition switch ON (IG) and READY indicator light off while on an incline

Countermeasures:

Perform a shift operation from the READY ON state

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X051B

Shift Operation during Advanced Drive/Park

History of shift lever operation while advanced park was operating

Countermeasures:

Be careful not to unintentionally touch the shift lever

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X051C

Shift P Operation during Advanced Drive/Park

History of P position switch operation while advanced park was operating

Countermeasures:

Be careful not to unintentionally touch the P position switch

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X051D

Auto Change to Shift Position P when Driver Get Out

History of door opened with the driver seatbelt unfastened and brake pedal not depressed while shift state is other than P

Countermeasures:

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X051E

Shift Position N Hold Mode ON during IG OFF/ACC ON

History of ignition switch being turned off with the shift state N after a shift operation was performed

Countermeasures:

Operate the P position switch, then turn the ignition switch off after the shift state has changed to P

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X051F

Parking Lock Control Relearning

Stores a history that P lock position learning failed when the ignition switch was turned to ON, and then the vehicle switched to learning judgment again

Countermeasures:

Check for malfunction in the Plock actuator control system

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X0520

HV/EV System Start Up Failure by Very Low Temperature

History of Hybrid Control System failing to start due to extremely cold environment

Countermeasures:

Raising the temperature enough that the engine can start will resolve the issue

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X0521

HV/EV System Start Up Failure by Immobiliser Unmatch

History of Hybrid Control System failing to start due to Immobiliser System key verification failure

Countermeasures:

Use the correct vehicle key

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X0522

Ready ON Failure by Shift Operation

History of the ignition switch not being turned to ON (READY) due to a shift operation

Countermeasures:

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X0523

Auxiliary Battery Voltage Low (HV/EV)

History of drop in hybrid vehicle control ECU power source voltage (below 9.5 V)

Countermeasures:

Keep the ignition switch ON (READY) to charge the auxiliary battery

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X0524

Auxiliary Battery Voltage Low (Inverter)

History of drop in motor generator control ECU (MG ECU) power source voltage (8.0 V or less)

Countermeasures:

Keep the ignition switch ON (READY) to charge the auxiliary battery

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X0525

Auxiliary Battery Voltage Low (Hybrid/EV Battery)

History of a drop in battery ECU assembly power source voltage (below 8.0 V)

Countermeasures:

Keep the ignition switch ON (READY) to charge the auxiliary battery

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X0526

HV/EV System Stop Operation during Running

History of Hybrid Control System being turned off by pressing ignition switch while vehicle being driven (when the vehicle speed is 3 km/h (2 mph) or more)

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X0527

Generator Temperature High

History of extremely high generator (MG1) temperature and hybrid system overheated warning message being displayed

Countermeasures:

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X0528

Generator Inverter Temperature High

History of extremely high generator (MG1) inverter temperature and hybrid system overheated warning message being displayed

Countermeasures:

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X0529

Motor Temperature High

History of extremely high motor (MG2) temperature and hybrid system overheated warning message being displayed

Countermeasures:

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X052A

Motor Inverter Temperature High

History of extremely high motor (MG2) inverter temperature and hybrid system overheated warning message being displayed

Countermeasures:

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X052B

Rear Motor Temperature High

History of extremely high rear motor (MGR) temperature and hybrid system overheated warning message being displayed

Countermeasures:

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X052C

Rear Motor Inverter Temperature High

History of extremely high rear motor (MGR) inverter temperature and hybrid system overheated warning message being displayed

Countermeasures:

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X052D

Boosting Converter Temperature High

History of extremely high boost converter temperature and hybrid system overheated warning message being displayed

Countermeasures:

Stopping the vehicle and waiting for the boost converter temperature to decrease will resolve the Win/Wout restriction

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X0530

Staying Prevention Control

History of operation of retention prevention function

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X0531

Hybrid/EV Battery Protection in Neutral Shift Position

History of HV battery discharge warning message being displayed when vehicle left with shift lever in N

Countermeasures:

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X0532

HV/EV Coolant Temperature High

History of extremely high coolant (for inverter) temperature (65°C (149°F) or more)

Countermeasures:

-

X0536

Hybrid/EV Battery Voltage Low

History of Hybrid Control System starting failure due to low HV battery voltage

Countermeasures:

Charge the battery using the THS charger or plug-in charging (PHEV only)

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X0537

HV/EV System Start Up Failure by Hybrid/EV Battery Unmatch

History of Hybrid Control System starting failure due to an inappropriate HV battery

Countermeasures:

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X0539

Shift R Operation during Forward Movement or Shift D/B Operation during Backward Movement

History of shift lever being moved to R while vehicle moving forward or shift lever being moved to D or B while vehicle moving backward

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X053A

Shift Position Uncertain

Shift position cannot be determined

Countermeasures:

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X053B

Engine Malfunction (Poor Engine Power)

History of vehicle state during engine malfunction (poor engine power)

(This information can be helpful for performing troubleshooting.)

Countermeasures:

Stored when the ECM stores an SFI System DTC.

Make sure to clear Vehicle Control History after performing troubleshooting related to this item.

As all Vehicle Control History should be cleared after performing troubleshooting related this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History.

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X053C

Engine Malfunction (Engine does not Start)

History of vehicle state during engine malfunction (engine does not start)

(This information can be helpful for performing troubleshooting.)

Countermeasures:

Stored when the ECM stores an SFI System DTC.

Make sure to clear Vehicle Control History after performing troubleshooting related to this item.

As all Vehicle Control History should be cleared after performing troubleshooting related this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History.

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X053D

Engine Malfunction (Crankshaft Position Sensor Signal)

History of vehicle state during engine malfunction (abnormal crankshaft position sensor signal)

(This information can be helpful for performing troubleshooting.)

Countermeasures:

Stored when the ECM stores an SFI System DTC.

Make sure to clear Vehicle Control History after performing troubleshooting related to this item.

As all Vehicle Control History should be cleared after performing troubleshooting related to this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History.

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X053E

Engine Malfunction (GO Signal)

History of vehicle state during engine malfunction (GO signal)

(This information can be helpful for performing troubleshooting.)

Countermeasures:

Stored when the ECM stores an SFI System DTC.

Make sure to clear Vehicle Control History after performing troubleshooting related to this item.

As all Vehicle Control History should be cleared after performing troubleshooting related to this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History.

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X053F

Engine Malfunction (Component Malfunction)

History of vehicle state during engine malfunction (engine component malfunction)

(This information can be helpful for performing troubleshooting.)

Countermeasures:

Stored when the ECM stores an SFI System DTC.

Make sure to clear Vehicle Control History after performing troubleshooting related to this item.

As all Vehicle Control History should be cleared after performing troubleshooting related to this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History.

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X0541

Driver Exited Vehicle when Shift Position Wasn't P

History of vehicle speed exceeding threshold after driver left vehicle with shift lever in any position other than P

Countermeasures:

Make sure to change the shift state to P when exiting the vehicle

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X054C

Accelerator Depress when Shift P Position during Ready ON

History of accelerator pedal depressed when shift lever in P and ignition switch ON (READY)

Countermeasures:

When driving the vehicle, be sure to shift to an appropriate driving range

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X0554

Shift P Repeated Operation during Running

History of P position switch being operated repeatedly while driving

Countermeasures:

Be careful not to touch the P position switch unintentionally

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X0555

Shift P Hold Down during Running

History of P position switch being pressed and held while driving

Countermeasures:

Be careful not to touch the P position switch unintentionally

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X0558

Parking Lock Release by Manual Operation

Stores a history of the parking lock being released using the forced parking lock release mechanism during servicing

Countermeasures:

Operate the P position switch, check that the shift state temporarily switches to park (P) on the shift indicator and then move the shift lever once more

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X0559

Shift P Operation when Auxiliary Battery Low Voltage

History of attempt to change shift state to P with auxiliary battery depleted

Countermeasures:

The auxiliary battery should be checked and maintained regularly to keep it in good working condition

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X055A

Shift Operation NG by Parking Lock Control Relearning during Cranking

History of attempt to change shift state from park (P) to a position other than P during cranking

Countermeasures:

Be careful to perform shift operations after the engine has started

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X055D

Limit to Charge / Discharge Control Value by Hybrid/EV Battery Temperature High

History of HV battery charge/discharge being restricted

If the temperature of the HV battery becomes approximately 44°C (111.2°F) or higher due to high ambient temperature, high cabin temperature, continuous driving under high load (such as mountain driving or frequent acceleration/deceleration), clogged HV battery intake duct, etc., the HV battery current will be restricted

Countermeasures:

In this case the value of WIN/WOUT will decrease and the engine will stop and start less frequently

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X055E

Limit to Charge / Discharge Control Value by Hybrid/EV Battery

History of HV battery charge/discharge being restricted

If the temperature of the HV battery becomes approximately 44°C (111.2°F) or higher due to high ambient temperature, high cabin temperature, continuous driving under high load (such as mountain driving or frequent acceleration/deceleration), clogged HV battery intake duct, etc., the HV battery current will be restricted

Countermeasures:

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X055F

Charge Canceled (Hybrid/EV Battery WIN Low)

History of plug-in charge being canceled due to HV battery

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X0561

Charge Canceled (Auxiliary Battery Voltage Low)

History of plug-in charge being canceled due to auxiliary battery

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X0562

Charge Canceled (Charging System)

History of plug-in charge being canceled due to charging system

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X0563

Charging Finished Early

History of plug-in charge being completed earlier than set time

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X0564

Charge Canceled (Charging Time Overrun)

History of plug-in charge not being completed by set time

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X0565

Ready ON Operation when Charging Connector Connected

History of power switch being turned on (READY) with charging connector connected

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X0566

Driving Force Suppression when Charging Connector Connected

History of driving force being cut by connecting charging connector

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X057A

Hybrid/EV Battery SOC Low

For electric vehicle, history of the HV battery capacity SOC becoming discharged, causing the system to stop

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X057B

Shift Operation during Release Shift P Prohibition Request

Stores a history of attempts to change the shift state from park (P) to a state other than park (P) during release shift P restriction request (during power supply/charging/refueling)

Countermeasures:

Make sure not to unintentionally touch the shift lever

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X057C

AC Interior Power Feeding End History

History of AC power supply to the vehicle interior being ended

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X057D

Shift D/R Operation Rejection from Shift Position N without Depressing Brake Pedal

History of attempt to change shift state from N to D or R with brake pedal not depressed

Countermeasures:

Perform the shift operation while depressing only the brake pedal and not the accelerator pedal

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X057E

Shift D/R Operation Rejection from Shift Position N during Accelerator Pedal Depress

History of attempt to change shift state from N to D or R with accelerator pedal depressed

Countermeasures:

Perform the shift operation while depressing only the brake pedal and not the accelerator pedal

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X0581

FCDC Control Module Malfunction History

History of a DTC occurred in the FCDC converter control ECU and a fail-safe performed

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X0582

Hybrid/EV Battery Control Module Malfunction History

History of a DTC occurred in the battery ECU assembly and a fail-safe performed

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X0583

Fuel Cell Control Module Malfunction History

History of a DTC occurred in the FC control ECU and a fail-safe performed

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X0584

Hydrogen Filling Control Module Malfunction History

History of a DTC occurred in the hydrogen control ECU assembly and a fail-safe performed

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X0590

Shift Change to Other than Shift Position N Request

History of a request being displayed on the multi-information display to shift to a position other than N

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X0591

Redoing Ready ON Request

History of the READY state being turned off and a request being displayed on the multi-information display to shift to P and turn the ignition switch to ON (READY) again

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X0597

N Lock Activation

Indicates that shift lock operated when the vehicle was stopped and the shift lever was in N for a certain amount of time

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X05A1

Target Driving Force Not Reached

Stored when extremely low temperature has caused charge/discharge power to be temporarily restricted, or FC stack generation amount has been restricted

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X0600

Auxiliary Battery Voltage Low at Start

History of low auxiliary battery voltage at Hybrid Control System start

Countermeasures:

-

X0601

Auxiliary Battery Voltage Low at IG OFF

History of low auxiliary battery voltage when ignition switch off

Countermeasures:

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X0602

Auxiliary Battery Discharge at IG OFF

History of auxiliary battery becoming discharged when ignition switch off

Countermeasures:

Remove aftermarket devices which operate while the vehicle is parked and consume electrical power

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X0603

Auxiliary Battery Discharge at Running

History of auxiliary battery becoming discharged while vehicle being driven

Countermeasures:

Turn off unneeded electrical equipment when driving

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X0606

Auxiliary Battery Voltage Low during Running

Auxiliary battery voltage drop that causes charging warning light to illuminate while driving vehicle is detected

Countermeasures:

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X0607

Auxiliary Battery Voltage High during Running

Auxiliary voltage boost that causes charging warning light to illuminate while driving vehicle is detected

Countermeasures:

Equivalent to work procedures when charging light illuminated

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X0608

Auxiliary Battery Charging Control after Shipping

Charging control from HV battery to auxiliary battery is detected after shipping

Countermeasures:

While the vehicle is parked after shipping, after 12 hours elapse from the time the certification ECU (smart key ECU assembly) detects that shipping is complete, the system detects that charging control is performed from the HV battery to the auxiliary battery and charging control has been completed.

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X263E

Suspension Specification Information Learning Incomplete

Learning has not been performed to change the vehicle specification information stored in the hybrid vehicle control ECU

Countermeasures:

-

X265A

Clearance Warning Specification Information Learning Incomplete

Learning has not been performed to change the vehicle specification information stored in the shift control ECU

Countermeasures:

-

X2900

Remote Air Conditioner Inactive

History of the pre-air conditioning unable to start, pre-air conditioning stopped while running, idling retention stopped after pre-air conditioning, and the SMR connection unable to be performed due to no DCR diagnosis

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X3000

Hydrogen Filling Abort

While filling at a hydrogen station, the hydrogen tank internal temperature or internal pressure increased, or the amount of filled hydrogen gas exceeded the specified tank capacity

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X3100

FC Output Limit

History stored in the following conditions:

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X3101

FC System Start/Stop Failure

High voltage system/FC system start/stop process exceeds the specified time

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X3102

FC System Start Up at Very Low Temperature

History stored in the following conditions:

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X3103

FC System Lack of Scavenging

Scavenging process terminated abnormally

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X3104

Gap in FC System Power Input/Output

History stored in the following conditions:

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X3106

Vibration Detection during IG OFF

History of the vehicle stopped due to vibration caused by a collision when the ignition switch is off

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X3110

Hydrogen Empty Low Level

Vehicle continued traveling until the FC system stopped even after the low fuel level warning light has come on

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XF01B

ECU Security Key Not Registered

ECU security key not updated

Countermeasures:

Make sure to perform Update ECU Security Key after replacing the transmission floor shift assembly (shift control ECU)

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XF01E

ECU Security Key Not Registered (Gear Shift Control Module)

Update of the ECU security key stored in the shift control ECU has not been performed

Countermeasures:

Make sure to perform Update ECU Security Key after replacing the shift control ECU

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