Circuit/System Testing
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.
- Clear the DTC and operate the vehicle under the condition for running and setting the DTC.
- Shut the ignition OFF for 30 seconds, and verify that the DTC does not reset.
- If the DTC resets, replace the control solenoid (w/body and TCM) valve assembly.