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 number below refer to the step number in the diagnostic procedure.
- 2
When the problems are corrected which are causing the APP sensor DTCs to set, the status of this DTC will change to history.