GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

B0126

DTC B0126

IPM

B0131

DTC B0131

IPM

B0159

DTC B0159

IPM

B0164

DTC B0164

IPM

B0174

DTC B0174

IPM

B0179

DTC B0179

IPM

B0184

DTC B0184 or B0189

IPM

B0189

DTC B0184 or B0189

IPM

B0234

DTC B0234

IPM

B0237

DTC B0237

IPM

B0249

DTC B0249

IPM

B0252

DTC B0252

IPM

B0269

DTC B0269

IPM

B0272

DTC B0272

IPM

B0279

DTC B0279

IPM

B0282

DTC B0282

IPM

B0490

DTC B0490

DDM

B1000

DTC B1000

IPM

B2805

DTC B2805

DIM

P0530

DTC P0530

PCM

P1536

DTC P1536

DIM

P1540

DTC P1540

DIM

P1546

DTC P1546

PCM