Diagnostic Aids
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions are possible causes:
- A class 2 communication problem with the TBC.
- The steering wheel was rotated with the steering gear disconnected.
- A malfunctioning steering wheel position sensor is present.
- A steering wheel position sensor circuit is open.
- A steering wheel position sensor circuit was shorted.
Perform an inspection of the wiring and of the connectors. Failure to carefully inspect the wiring and the connectors may result in misdiagnosis. Misdiagnosis causes part replacement with reappearance of the malfunction.