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Hummer
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2004
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H2 4D Utility Pickup
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Repair and Diagnosis (Single Page)
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Body Control System
Body Control System
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Schematic and Routing Diagrams
Body Control System Schematics
Component Locator
Body Control System Component Views
Body Control System Connector End Views
Diagnostic Information and Procedures
Diagnostic Starting Point - Body Control System
Scan Tool Output Controls
Scan Tool Data List
Scan Tool Data Definitions
Diagnostic Trouble Code (DTC) List
DTC B1000
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
DTC B1004
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
DTC B1007
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
DTC B1009
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
DTC B1397
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
DTC B1440
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
DTC C0550
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Symptoms - Body Control System
Notes
Visual/Physical Inspection
Intermittent
Symptom List
Power Mode Mismatch
Circuit Description
Test Description
Control Module References
Repair Instructions
Body Control Module Replacement
Removal Procedure
Installation Procedure
Body Control Module (BCM) Programming/RPO Configuration
Introduction
Programming the BCM
Programming Theft Deterrent System Components
Description and Operation
Body Control System Description and Operation
BCM Functions
Serial Data Power Mode
Fail-safe Operation
Notes
Serial Data Messages
Discrete Ignition Signals