Diagnostic Aids

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

If the problem is intermittent, the diagnostic code may still set. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS .
The following conditions may cause an intermittent malfunction to occur:

Inspect for an intermittent short to battery voltage in the courtesy lamp low control circuit.
Inspect for an intermittent short to ground in the courtesy lamp low control circuit.