Circuit/System Testing
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Test the RAP mode control circuit for a short to ground.
- If a condition exists, make the appropriate repair.
- If the circuit tests normal and the DTC is current, replace the BCM.