Circuit/System Verification
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify that DTC C0277 or C0890 is not set.
- If either DTC is set
Refer to DTC C0277 or C0890 .
- Go to next step: If the DTC is not set
- If either DTC is set
- 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 Electronic Brake Control Module Brake Pedal Position Sensor parameter changes between Inactive and Active while applying and releasing the brake pedal.
- If the parameter does not change
Refer to Symptoms - Lighting .
- Go to next step: If the parameter changes
- If the parameter does not change
- All OK, refer to Diagnostic Aids .