For 1990-2009 cars only
Body and Accessories
All Component Locator
All Description and Operation
All Visual Identification
Diagnostic Procedures
- Cellular Telephone - Audio Inoperative During Hands-Free
- Cellular Telephone - Hands Free Operation Inoperative
- Cellular Telephone - Noisy Audio During Hands-Free
- Cellular Telephone - Voice Inoperative During Hands-Free
- Cellular Telephone Inoperative
- Cellular Telephone Setup
- Diagnostic Starting Point - Cellular Communication
- Diagnostic System Check - Cellular Communication
- OnStar Audio Malfunction
- OnStar Button LED Malfunction
- OnStar Button Malfunction
- OnStar Call Center Remote Function Requests Inoperative
- OnStar Global Positioning System (GPS) Data Not Current or Inaccurate
- OnStar Microphone Malfuncation
- OnStar Reconfiguration
- OnStar Steering Wheel Control Functions Inoperative
- OnStar Symptom Diagnosis
- OnStar Voice Recognition Malfunction
- Radio Does Not Connect to Internet Service Provider
- Symptoms - Cellular Communication
- Unable to Contact OnStar Call Center
Diagnostic Trouble Codes
- Diagnostic Trouble Code (DTC) List
- DTC B1001
- DTC B2455
- DTC B2470
- DTC B2476
- DTC B2482
- DTC B2483 or B2484
- DTC U1500
Electrical/Electronic Schematic Diagrams
General Diagnostic Information
Mechanical Specifications
Removal, Installation, and Replacement
- Antenna Assembly Replacement
- Cellular Telephone Docking Station Replacement
- Cellular Telephone Module Replacement
- Communication Interface Module Replacement
- Mobile Telephone Antenna Coaxial Cable Replacement
- Mobile Telephone Antenna Inner Coupling Replacement
- Mobile Telephone Antenna Outer Coupling Replacement
- Navigation Antenna Replacement
