GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair Instructions

Diagnostic System Check

Schematic

BCM (Body Control Module)

Refer to BCM Replacement in Body Control System

Refer to A Diagnostic System Check - Body Control System in Body Control System

Refer to Body Control Module Schematics in Body Control System

EBCM (Electronic Brake Control Module)

Refer to Electronic Brake Control Module Replacement in Antilock Brake System

Refer to ABS Diagnostic System Check in Antilock Brake System

Refer to Antilock Brake System Schematics in Antilock Brake System

IPC (Instrument Panel Cluster)

Refer to IP Cluster Replacement in Instrument Panel, Gauges and Console

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

Refer to Instrument Cluster: Analog Schematics in Instrument Panel, Gauges and Console

PCM (Powertrain Control Module)

Refer to PCM Replacement/Programming in Engine Controls

Refer to A Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

Refer to Engine Controls Schematics in Engine Controls

Radio

Refer to Radio Replacement in Entertainment

Refer to Radio/Audio System Diagnostic System Check in Entertainment

Refer to Radio/Audio System Schematics in Entertainment

SDM (Inflatable Restraint Sensing and Diagnostic Module)

Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR

Refer to A Diagnostic System Check - SIR in SIR

Refer to SIR Schematics in SIR