Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, command the front doors to LOCK and UNLOCK by using the door lock switches, the front doors should perform LOCK and UNLOCK function.
- If the driver door does not LOCK or UNLOCK, refer to Driver Door Lock Malfunction .
- If the passenger door does not LOCK or UNLOCK, refer to Passenger Door Lock Malfunction
- Command the rear doors to LOCK and UNLOCK with a scan tool, the rear doors should perform LOCK and UNLOCK function.
- If a rear door does not LOCK or UNLOCK, refer to Passenger Door Lock Malfunction .