Accessories

All Component Locator

• Cellular Communication Component Views

All Description and Operation

• OnStar Description and Operation

All Visual Identification

• Cellular Communication Connector End Views

Diagnostic Procedures

• Diagnostic Starting Point - Cellular Communication
• OnStar Audio Malfunction
• OnStar Button LED Malfunction
• OnStar Button Malfunction
• OnStar Global Positioning System (GPS) Data Not Current or Inaccurate
• OnStar Microphone Malfuncation
• OnStar Reconfiguration
• OnStar Symptom Diagnosis
• OnStar Voice Recognition Malfunction
• Symptoms - Cellular Communication
• Unable to Contact OnStar Call Center

Diagnostic Trouble Codes

• Diagnostic Trouble Code (DTC) List
• DTC B2455
• DTC B2470
• DTC B2476
• DTC B2482
• DTC B2483 or B2484
• DTC U1500

Electrical/Electronic Schematic Diagrams

• Cellular Communication Schematic Icons
• OnStar Schematics

General Diagnostic Information

• Scan Tool Data Definitions
• Scan Tool Data List

Removal, Installation, and Replacement

• Cellular and Navigation Antenna Assembly Replacement
• Communication Interface Module Bracket Replacement
• Communication Interface Module Replacement
• OnStar Button Assembly Replacement
• OnStar Vehicle Interface Unit Replacement