DTC Descriptors

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic procedure supports the following DTCs.

DTC B0424 Temperature Control 2 Feedback Circuit Range/Performance
DTC B3748 Air Flow Control 3 Feedback Circuit Range/Performance
DTC B3749 Air Flow Control 7 Feedback Circuit Range/Performance