Vehicle Control Systems

All Component Locator

• Computer/Integrating Systems Component Views

All Description and Operation

• Body Control System Description and Operation
• Data Link Communications Description and Operation
• Power Mode Description and Operation
• Retained Accessory Power Description and Operation

All Visual Identification

• Computer/Integrating Systems Connector End Views

Cleaning, Inspection, and Adjustment

• Body Control Module (BCM) Programming/RPO Configuration

Diagnostic Procedures

• Control Module References
• Data Link References
• Diagnostic Starting Point - Computer/Integrating Systems
• Retained Accessory Power (RAP) Inoperative
• Retained Accessory Power (RAP) On After Timeout
• Scan Tool Does Not Communicate with High Speed GMLAN Device
• Scan Tool Does Not Communicate with Low Speed GMLAN Device
• Scan Tool Does Not Power Up
• Symptoms - Computer/Integrating Systems

Diagnostic Trouble Codes

• DTC B1000
• DTC B1370
• DTC B1380
• DTC B1385
• DTC B1422
• DTC B1440
• DTC B3622
• DTC U0001
• DTC U0002
• DTC U0073
• DTC U0100-U0299
• DTC U2100
• DTC U2103
• DTC U2105-U2199

Electrical/Electronic Schematic Diagrams

• Body Control System Schematics
• Computer/Integrating Systems Schematic Icons
• Data Link Connector Schematics

General Diagnostic Information

• Scan Tool Data Definitions
• Scan Tool Data List
• Scan Tool Output Controls

Removal, Installation, and Replacement

• Data Link Connector Replacement
• Instrument Panel Module Replacement
• Rear Integration Body Control Module Replacement