Diagnostic Trouble Code (DTC) List

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

DTC	Diagnostic Procedure	Module
B0145	DTC B0145, B0428, or B3531	Auxiliary HVAC Control Module
B0150	DTC B0150, B0433, OR B3782	Feedback Circuit Malfunction
B0159	DTC B0159 or B0164	HVAC Control Module
B0164	DTC B0159 or B0164	HVAC Control Module
B0174	DTC B0174, B0179, B0510, or B0515	HVAC Control Module
B0179	DTC B0174, B0179, B0510, or B0515	HVAC Control Module
B0183	DTC B0183 or B0188	BCM
B0188	DTC B0183 or B0188	BCM
B0229	DTC B0229, B0414, B0424, B3761, or B3770	HVAC Control Module
B0248	DTC B0248, B0263, B0268, B0408, or B0418	HVAC Control Module
B0263	DTC B0248, B0263, B0268, B0408, or B0418	HVAC Control Module
B0268	DTC B0248, B0263, B0268, B0408, or B0418	HVAC Control Module
B0408	DTC B0248, B0263, B0268, B0408, or B0418	HVAC Control Module
B0414	DTC B0229, B0414, B0424, B3761, or B3770	HVAC Control Module
B0418	DTC B0248, B0263, B0268, B0408, or B0418	HVAC Control Module
B0424	DTC B0229, B0414, B0424, B3761, or B3770	HVAC Control Module
B0428	DTC B0145, B0428, or B3531	Auxiliary HVAC Control Module
B0433	DTC B0150, B0433, OR B3782	Feedback Circuit Malfunction
B0510	DTC B0174, B0179, B0510, or B0515	HVAC Control Module
B0515	DTC B0174, B0179, B0510, or B0515	HVAC Control Module
B1375	DTC B1375	HVAC Control Module
B1397	DTC B1397 in Body Control System	BCM
B2815	DTC B2815	BCM
B3531	DTC B0145, B0428, or B3531	Auxiliary HVAC Control Module
B3761	DTC B0229, B0414, B0424, B3761, or B3770	HVAC Control Module
B3770	DTC B0229, B0414, B0424, B3761, or B3770	HVAC Control Module
B3782	DTC B0150, B0433, OR B3782	Feedback Circuit Malfunction
P0530	DTC P0530	PCM