Circuit/System Verification
- Ignition ON.
- Verify the stop lamps turn On and Off while applying and releasing the brake pedal.
- If the stop lamps do not turn On and Off
Refer to Symptoms - Lighting .
- Go to next step: If the stop lamps turn On and Off
- If the stop lamps do not turn On and Off
- Verify the B22 Brake Pedal Position Sensor or the brake pedal are not binding causing residual brake pressure to be detected.
- If a condition is found
Repair or replace the appropriate component.
- Go to next step: If a condition is not found
- If a condition is found
- Verify the scan tool Brake Pedal Position Sensor parameter changes between Active and Inactive while applying and releasing the brake pedal.
- If the parameter does not change
Replace the K17 Electronic Brake Control Module.
- Go to next step: If the parameter changes
- If the parameter does not change
- All OK.