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
• Retained Accessory Power Description and Operation

All Visual Identification

• Computer/Integrating Systems Connector End Views

Diagnostic Procedures

• Cannot Enter BCM Diagnostics
• Control Module 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 Class 2 Device
• Scan Tool Does Not Power Up
• Symptoms - Computer/Integrating Systems

Diagnostic Trouble Codes

• DTC B1000
• DTC B1004
• DTC B1009
• DTC C0550
• DTC U1000 and U1255
• DTC U1001-U1254
• DTC U1300, U1301, or U1305

Electrical/Electronic Schematic Diagrams

• Body Control System Schematics
• Computer/Integrating Systems Schematic Icons
• Data Link Connector Schematics
• Retained Accessory Power (RAP) Schematics

General Diagnostic Information

• On-Board Diagnostic Features

Removal, Installation, and Replacement

• Body Control Module Replacement
• Data Link Connector Replacement