Diagnostic Aids
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- If any other theft deterrent DTCs are also set current, diagnose that DTC first.
- This DTC sets on replacement BCMs until the first valid key pellet is detected by the BCM.