Operating Conditions: Ignition ON, Parking Brake Off

Battery Voltage

Varies

This displays the battery voltage (V).

Calculated System Temperature

Varies

The scan tool displays the parking brake control module temperature in degrees Celsius.

Electric Park Brake Calibration Test Status

Passed

The scan tool displays Passed or Failed. This parameter displays if the park brake calibration is properly programmed into the parking brake control module.

Park Brake Cable Position

Varies

The scan tool displays the current park brake position in counts. When the park brake is fully released the value will be 0 counts which will allow cable disassembly. The park brake cable position counts will display in range of 0-700 counts when released and 701-1300 counts when applied.

Park Brake Motor Command

Off

The scan tool displays On or Off. This parameter displays the status of the park brake motor.

Park Brake Motor Duty Cycle Command

Varies

The scan tool displays the pulse width modulated cycle as a percentage.

Park Brake Release Reason

None

The scan tool displays None, Ign. Cycled, Spd. Threshold, or Brake Applied. This parameter displays the reason the parking brake was released.

Park Brake Status

Released

The scan tool displays Applied, Released, Malfunction or Invalid. This parameter displays the current status of the parking brake.

Park Brake Switch

Inactive

The scan tool displays Applied, Released, Inactive, or Invalid. This parameter displays the current status of the parking brake switch.

Parking Brake Calibration

The electric parking brake module will activate the park brake calibration learn procedure when selected. During the learn procedure the rear brakes will cycle several times.

Parking Brake Cable Service Apply

The electric parking brake module will apply the parking brake cable tension to diagnose a possible EPB switch failure.

Parking Brake Cable Service Release

The electric parking brake module will release the parking brake cable to diagnose a possible EPB switch failure.

Parking Brake Cable Replacement Procedure

The electric parking brake module will unwind the parking brake cable for replacement or service when selected.

Park Brake Reset

The electric parking brake module will reset the park brake actuator when commanded.

Parking Brake Switch Diagnostics

The electric parking brake module will test the parking brake switch signals to verify they are working properly or if there is an open circuit.