GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

B0160

DTC B0160, B0161, B0165, or B0166

HVAC Control Module

B0161

DTC B0160, B0161, B0165, or B0166

HVAC Control Module

B0165

DTC B0160, B0161, B0165, or B0166

HVAC Control Module

B0166

DTC B0160, B0161, B0165, or B0166

HVAC Control Module

B0175

DTC B0175, B0176, B0180, or B0181

HVAC Control Module

B0176

DTC B0175, B0176, B0180, or B0181

HVAC Control Module

B0180

DTC B0175, B0176, B0180, or B0181

HVAC Control Module

B0181

DTC B0175, B0176, B0180, or B0181

HVAC Control Module

B0185

DTC B0185 or B0186

HVAC Control Module

B0186

DTC B0185 or B0186

HVAC Control Module

B0408

DTC B0408

HVAC Control Module

B0415

DTC B0415 or B0416

HVAC Control Module

B0416

DTC B0415 or B0416

HVAC Control Module