Repair Procedures
WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- For DTC P0452 or P0453, always perform the Diagnostic Repair Verification after completing the diagnostic procedure.
- For DTC P0451 or P0454, clear DTCs with a scan tool
- Control Module References for ECM replacement, setup, and programming