DTC Descriptors
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic procedure supports the following DTCs:
- DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
- DTC P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2