Circuit/System Verification
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Verify that DTC C0278 00 is not set.
- If the DTC is set, perform the brake pedal position sensor recalibration procedure. If the DTC resets, replace the brake pedal position sensor.