Circuit/System Testing
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Clear the DTC and operate the vehicle under the conditions for running and setting the DTC. Verify that the DTC does not reset.
- If the DTC resets, replace the control solenoid (w/body and TCM) valve assembly.