Conditions for Running the DTC
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.
- DTC P0652 or P0653 are not set.
- The ignition is ON.
- DTC P2228 and P2229 run continuously when the above conditions are met.