GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

B0159

DTC B0159

HVAC Control Module

B0164

DTC B0164

HVAC Control Module

B0174

DTC B0174

HVAC Control Module

B0179

DTC B0179

HVAC Control Module

B0184

DTC B0184

HVAC Control Module

B0229

DTC B0229

HVAC Control Module

B0248

DTC B0248

HVAC Control Module

B0268

DTC B0268

HVAC Control Module

B0408

DTC B0408

HVAC Control Module

B0414

DTC B0414

HVAC Control Module

B3761

DTC B3761

HVAC Control Module