DTC Descriptors
WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic procedure supports the following DTCs:
- DTC P1134 HO2S Transition Time Ratio Bank 1 Sensor 1
- DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1