Repair Instructions
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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