Test Description
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 numbers below refer to the step numbers on the diagnostic table.
- 2. This step helps the technician determine if the fault is current.
- 3. This step determines if the DTC is the result of an intermittent connection at the control module.
Courtesy of GENERAL MOTORS CORP.