Repair Procedures
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Refer to Heated Oxygen Sensor Resistance Learn Reset Notice
.
IMPORTANT:
For DTC P0131 and P0132, in order to ensure that the performance of the catalyst has not been affected by the fault that set this DTC, operate the vehicle within the conditions for running and setting DTC P0420 and verify that P0420 runs and passes. Refer to DTC P0420 or P0430
.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
- Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series)
- Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) or Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series)
- Control Module References for ECM replacement, setup, and programming