Vehicle Control Systems

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

Cleaning, Inspection, and Adjustment

• Body Control Module (BCM) Programming/RPO Configuration

Diagnostic Procedures

• Control Module References
• Diagnostic Starting Point - Computer/Integrating Systems
• Power Mode Mismatch
• 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 B1001
• DTC B1004
• DTC B1007
• DTC B1009
• DTC B1372, B1373, or B1374
• DTC B1382, B1383, or B1384
• DTC B1420
• DTC B1441, B1442, or B1443
• DTC B1477 or B1478
• DTC U1000 and U1255
• DTC U1001-U1254
• DTC U1300, U1301, or U1305

Electrical/Electronic Schematic Diagrams

• Body Control System Schematics
• Data Link Connector Schematics
• Retained Accessory Power (RAP) Schematics

General Diagnostic Information

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

Removal, Installation, and Replacement

• Body Control Module Replacement