GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair/ Reprogramming Instructions

Diagnostic System Check

Schematics

Body Control Module

Refer to

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Refer to Body Control System Schematics

Electronic Brake Control Module

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

HVAC Control Module

Refer to HVAC Control Module Replacement in HVAC Systems- Automatic

Refer to Diagnostic System Check - HVAC Systems - Automatic in HVAC Systems- Automatic

Refer to HVAC Schematics in HVAC Systems- Automatic

Inflatable Restraint Sensing and Diagnostic Module

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

Instrument Panel Cluster

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

Memory Seat Module - Driver

Refer to Memory Seat Control Module Replacement in Seats

Refer to Diagnostic System Check - Power Seat Systems in Seats

Refer to Memory Seats Schematics in Seats

Powertrain Control Module

Refer to

    •  Powertrain Control Module Replacement in Engine Controls-4.3L
    •  Service Programming System (SPS) in Programming

Refer to Diagnostic System Check - Engine Controls in Engine Controls-4.3L

Refer to Engine Controls Schematics in Engine Controls-4.3L

Transfer Case Shift Control Module

Refer to Transfer Case Shift Control Module Replacement in Transfer Case - NVG 236-NP8

Refer to Diagnostic System Check - Transfer Case in Transfer Case - NVG 236-NP8

Refer to Transfer Case Control Schematics in Transfer Case - NVG 236-NP8