GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair Instructions

Diagnostic System Check

Schematic

(BCM) Body Control Module

Refer to Body Control Module Replacement

Refer to Diagnostic System Check - Body Control System

Refer to Body Control System Schematics

(ATC) Active Transfer Case

Refer to Transfer Case Shift Control Module Replacement

Refer to Diagnostic System Check

Refer to Transfer Case Control Schematics

(DIC) Driver Information Center - TRIP/COMPUTER/NAVIGATION

Refer to Driver Information Center Module Replacement

Refer to Diagnostic Starting Point

Refer to Driver Information System Schematics

(EBCM) Electronic Brake Control Module

Refer to Electronic Brake Control Module Replacement

Refer to Diagnostic System Check

Refer to Hydraulic Brake Diagnostic System Check

Refer to Antilock Brake System Schematics

Refer to Brake Warning System Schematics

(IPC) Instrument Panel Cluster

Refer to Instrument Cluster Replacement

Refer to Diagnostic System Check - Instrument Cluster

Refer to Instrument Cluster: Analog Schematics

(VCM) Vehicle Control Module

Refer to VCM Replacement/Programming

Refer to Powertrain On Board Diagnostic (OBD) System Check

Refer to Engine Controls Schematics

(SIR) Inflatable Restraint Module

Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement

Refer to Diagnostic System Check - SIR

Refer to SIR Schematics