Hummer H2. Manual — part 188

Control Module References

Control Module

Repair/Reprogramming

Instruction

Diagnostic System

Check

Schematic

Audio Amplifier

Refer to Amplifier
Replacement in Entertainment

Refer to Diagnostic
System Check -
Entertainment
System in
Entertainment

Refer to Radio/Audio
System Schematics (non
Class 2 Amplifier) or
Radio/Audio System
Schematics (Class 2
Amplifier) in
Entertainment

Body Control
Module

z

Refer to Body Control
Module Replacement

z

Refer to Body Control
Module (BCM)
Programming/RPO
Configuration

-

Refer to Body Control
System Schematics

Driver Door
Module

Refer to Switch Replacement -
Door Lock and Side Window -
Driver in Doors

Refer to Diagnostic
System Check - Door
Systems in Doors

Refer to Door
Lock/Indicator
Schematics in Doors

Driver Seat
Module

Refer to Memory Seat Control
Module Replacement in Seats

Refer to Diagnostic
System Check -
Power Seat Systems
in Seats

Refer to Driver Seat
Schematics in Seats

Electronic Brake
Control Module

Refer to Electronic Brake
Control Module Replacement
in Anti-lock Brake System

Refer to Diagnostic
System Check - ABS
in Anti-lock Brake
System

Refer to ABS Schematics
in Anti-lock Brake System

Electronic
Suspension
Control Module

Refer to Module Assembly
Electronic Suspension Control
Replacement in Air Suspension

Refer to Diagnostic
System Check - Air
Suspension in Air
Suspension

Refer to Suspension
Controls Schematics in
Air Suspension

Front Passenger
Door Module

Refer to Switch Replacement -
Door Lock and Side Window -
Passenger in Doors

Refer to Diagnostic
System Check - Door
Systems in Doors

Refer to Door
Lock/Indicator
Schematics in Doors

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 Panel
Cluster (IPC) Replacement in

Refer to Diagnostic
System Check -

Refer to Instrument
Cluster Schematics in

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Body Control System - Hummer H2

REPAIR INSTRUCTIONS

BODY CONTROL MODULE REPLACEMENT

Removal Procedure

Instrument Panel, Gauges and
Console

Instrument Cluster in
Instrument Panel,
Gauges and Console

Instrument Panel, Gauges
and Console

Powertrain
Control Module

z

Refer to Powertrain
Control Module (PCM)
Replacement in Engine
Controls - 4.8L, 5.3L, and
6.0L

z

Refer to Service
Programming System
(SPS) in Programming

Refer to Diagnostic
System Check -
Engine Controls in
Engine Controls -
4.8L, 5.3L, and 6.0L

Refer to Engine Controls
Schematics in Engine
Controls - 4.8L, 5.3L, and
6.0L

Radio

Refer to Radio Replacement in
Entertainment

Refer to Diagnostic
System Check -
Entertainment
System in
Entertainment

Refer to Radio/Audio
System Schematics (non
Class 2 Amplifier) or
Radio/Audio System
Schematics (Class 2
Amplifier) in
Entertainment

Rear Seat Audio
Control

Refer to Audio Control
Replacement - Rear Seat in
Entertainment

Refer to Diagnostic
System Check -
Entertainment
System in
Entertainment

Refer to Radio/Audio
System Schematics (non
Class 2 Amplifier) or
Radio/Audio System
Schematics (Class 2
Amplifier) in
Entertainment

Transfer Case
Shift Control
Module

z

Refer to Transfer Case
Shift Control Module
Replacement in Transfer
Case - BW 4484

z

Refer to Transfer Case
Control Module
Reprogramming in
Transfer Case - BW 4484

Refer to Diagnostic
System Check -
Transfer Case in
Transfer Case - BW
4484

Refer to Transfer Case
Control Schematics in
Transfer Case - BW 4484

Vehicle
Communication
Interface Module

Refer to Communication
Interface Module Replacement
in Cellular Communications

Refer to Diagnostic
System Check -
Cellular
Communication in
Cellular
Communication

Refer to OnStar
Schematics in Cellular
Communications

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Body Control System - Hummer H2

Fig. 7: Body Control Module
Courtesy of GENERAL MOTORS CORP.

1. Disconnect the battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single

Battery) in Engine Electrical.

2. Remove the I/P carrier. Refer to Instrument Panel (I/P) Carrier Replacement in Instrument Panel,

Gauges and Console.

3. Remove the body control module (1) from the body control module bracket.

Installation Procedure

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Body Control System - Hummer H2

Fig. 8: Body Control Module
Courtesy of GENERAL MOTORS CORP.

1. Install the body control module (1) into the bracket.

2. Install the I/P carrier. Refer to Instrument Panel (I/P) Carrier Replacement in Instrument Panel,

Gauges and Console.

3. Connect the battery negative cables. Refer to Battery Negative Cable Disconnect/Connect Procedure

(Single Battery) in Engine Electrical.

4. Setup the body control modules customized options. Refer toBody Control Module (BCM)

Programming/RPO Configuration .

BODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATION

Introduction

The procedures below are designed to set-up the body control module (BCM) correctly during BCM related
service. Before you start, read these procedures carefully and completely.

2004 Hummer H2

2004 ACCESSORIES & EQUIPMENT Body Control System - Hummer H2