Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- The BCM stores DTC B2647 in memory.
- The DRL will default to night mode and the headlamps, park lamps, tail lamps and side marker lamps will illuminate.