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 B0229 Recirculate Position Feedback Circuit Range/Performance
- DTC B0414 Temperature Control 1 Feedback Circuit Range/Performance
- DTC B0424 Temperature Control 2 Feedback Circuit Range/Performance
- DTC B3770 Air Flow Control 6 Feedback Circuit