Diagnostic Aids
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.
Possible causes of this DTC are the following conditions:
- The stop lamp switch circuit is shorted to voltage.
- The stop lamp switch is misadjusted.
- The stop lamp switch is stuck closed.
- A brake pedal that is binding.