GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair Instructions

Diagnostic System Check

Schematic

Body Control Module (BCM)

Refer to Body Control Module Replacement

Refer to Diagnostic Starting Point - Body Control System

Refer to Body Control System Schematics

Electronic Brake Control Module (EBCM)

Refer to Electronic Brake Control Module Replacement in Antilock Brake System

Refer to Diagnostic System Check - ABS in Antilock Brake System

Refer to Antilock Brake System Schematics in Antilock Brake System

Instrument Panel Cluster (IPC)

Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console

Refer to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gages, and Console

Refer to Instrument Cluster Schematics in Instrument Panel, Gages, and Console

Powertrain Control Module (PCM)

Refer to Powertrain Control Module Replacement and Powertrain Control Module Programming in Engine Controls - 2.2L or Powertrain Control Module Replacement AND Powertrain Control Module Programming in Engine Controls - 2.4L

Refer to Diagnostic System Check - Engine Controls in Engine Controls - 2.2L or Diagnostic System Check - Engine Controls in Engine Controls - 2.4L

Refer to Engine Controls Schematics in Engine Controls - 2.2L or Engine Controls Schematics -2.4 L in Engine Controls

IRC Radio

Refer to Radio Replacement in Entertainment

Refer to Diagnostic System Check - Radio/Audio System in Entertainment

Refer to Radio/Audio System Schematics in Entertainment

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR

Refer to Diagnostic System Check - SIR in SIR

Refer to SIR Schematics in SIR