GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

B0332

DTC B0332, B0333, B0337, or B0338

HVAC Control Module

B0333

DTC B0332, B0333, B0337, or B0338

HVAC Control Module

B0337

DTC B0332, B0333, B0337, or B0338

HVAC Control Module

B0338

DTC B0332, B0333, B0337, or B0338

HVAC Control Module

B0348

DTC B0348

HVAC Control Module

B0361

DTC B0361, B0363, B0365, or B0367

HVAC Control Module

B0363

DTC B0361, B0363, B0365, or B0367

HVAC Control Module

B0365

DTC B0361, B0363, B0365, or B0367

HVAC Control Module

B0367

DTC B0361, B0363, B0365, or B0367

HVAC Control Module

B0441

DTC B0441 or B0446

HVAC Control Module

B0446

DTC B0441 or B0446

HVAC Control Module

P0530

DTC P0530

PCM

P0645

DTC P0645

PCM

P1539

DTC P1539

PCM

P1546

DTC P1546

PCM