Circuit/System Verification
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
With the ignition ON, use a scan tool to display DTCs for the body control module (BCM).
- If DTC C0277 is present, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If no DTCs are present, go to Diagnostic Aids .