Visual/Physical Inspection
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for aftermarket devices which could affect the operation of the body control system. Refer to CHECKING AFTERMARKET ACCESSORIES .
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.