Brake Pedal Position Sensor Calibration
Calibration Criteria
Note: Do not apply the brake pedal during the brake pedal position sensor calibration procedure. Any movement of the brake pedal
during this procedure will cause the calibration procedure to fail. If this occurs, the brake pedal position sensor calibration must be
repeated.
Brake pedal position sensor calibration must be performed after the brake pedal position sensor or body control module
(BCM) have
been serviced. The calibration procedure will set the brake pedal position sensor home value. This value is used by the BCM to
determine the action of the driver applying the brake system and to provide this information to the vehicle subsystems via serial
data.
Calibration Procedure
1. Apply the parking brake.
2. Place the transmission in the PARK position for automatic transmission or NEUTRAL position for manual transmission.
3. Install a scan tool.
4. Clear all BCM DTCs before proceeding.
5. Navigate to the Configuration/Reset Functions menu of the BCM.
6. Select the Brake Pedal Position Sensor Learn procedure and follow the directions displayed on the screen.
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CHEVROLET SONIC 2012 BODY REPAIR MANUAL