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Electronic Parking Brake Control Module Scan Tool Information

Electronic Parking Brake Control Module Scan Tool Information


Parking Brake Control Module Scan Tool Data Parameters

Parameter Expected Value Description
Operating Conditions: Ignition ON, Parking Brake Off
Base Hardware Varies The scan tool displays the base hardware number.
BCM Brake Pedal Signal Valid The scan tool displays Valid or Invalid. This parameter displays the signal status received by the body control module brake pedal as valid or invalid. If the signal received is invalid the parking brake control module will deactivate.
Calculated System Temperature Varies The scan tool displays the parking brake control module temperature in degrees Celsius.
Calibrations Varies The scan tool displays the calibration number.
EBCM Emergency Park Brake Enable Signal Valid The scan tool displays Valid or Invalid. This parameter displays the signal status received by the electronic brake control module emergency park brake enable signal as valid or invalid. If the signal received is invalid the parking brake control module will deactivate.
ECM Accelerator Pedal Position Signal Valid The scan tool displays Valid or Invalid. This parameter displays the signal status received by the engine control module accelerator pedal position signal as valid or invalid. If the signal received is invalid the parking brake control module will deactivate.
ECM Clutch Pedal Position Signal Valid The scan tool displays Valid or Invalid. This parameter displays the signal status received by the engine control module clutch pedal position signal as valid or invalid. If the signal received is invalid the parking brake control module will deactivate.
ECM Vehicle Speed Signal Valid The scan tool displays Valid or Invalid. This parameter displays the signal status received by the engine control module vehicle speed signal as valid or invalid. If the signal received is invalid the parking brake control module will deactivate.
End Model Varies The scan tool displays the end model number.
Software part number Varies The scan tool displays the software number.
Park Brake Calibration 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 Quantity The scan tool displays the current park brake position in counts. When the park brake is fully released the value will be 0 counts, released 1220 counts and applied 1275-1300 counts.
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.
TCM Current Gear Signal Valid The scan tool displays Valid or Invalid. This parameter displays the signal status received by the transmission control module signal for engaged gear as valid or invalid. If the signal received is invalid the parking brake control module will deactivate.



Parking Brake Control Module Scan Tool Output Controls

Output Control Description
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 Apply The electric parking brake module will apply the parking brake cable tension to diagnose a possible EPB switch failure.
Parking Brake Cable Release The electric parking brake module will release the parking brake cable to diagnose a possible EPB switch failure.
Parking Brake Cable Replacement The electric parking brake module will unwind the parking brake cable for replacement or service when selected.
Parking Brake Actuator DTC Reset The electric parking brake module will reset the park brake actuator when commanded.
Parking Brake Switch Procedure 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.