For 1990-2009 cars only
Driver Information and Entertainment
All Component Locator
All Description and Operation
All Visual Identification
Diagnostic Procedures
- Diagnostic Starting Point - Cellular, Entertainment, and Navigation
- Digital Radio Poor or No Reception
- Digital Radio Receiver Setup
- 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 Displays LOC, LOCKED, or CODE
- Radio Poor Reception
- Radio Setup
- Speakers Inoperative - One or More
- Symptoms - Cellular Communication
- Symptoms - Entertainment
- Unable to Contact OnStar Call Center
Diagnostic Trouble Codes
- DTC B1025, B1035, B1045, or B1055
- DTC B1259
- DTC B2455
- DTC B2470
- DTC B2476
- DTC B2482
- DTC B2483 or B2484
Electrical/Electronic Schematic Diagrams
General Diagnostic Information
Mechanical Specifications
Removal, Installation, and Replacement
- Antenna Cable Replacement
- Cellular and Navigation Antenna Assembly Replacement
- Cellular Communications/Digital Radio Antenna Replacement
- Communication Interface Module Bracket Replacement
- Communication Interface Module Replacement
- Compact Disc Care and Cleaning
- Digital Radio Antenna Cable Replacement
- Digital Radio Receiver Replacement
- Front Upper Speaker Replacement
- Mobile Telephone and Navigation Antenna Coaxial Cable Replacement
- Mobile Telephone Microphone Replacement
- Radio Antenna Module Replacement
- Radio Front Side Door Lower Speaker Replacement
- Radio Front Side Door Speaker Grille Replacement
- Radio Rear Quarter Trim Panel Speaker Replacement
- Radio Rear Side Door Speaker Replacement
- Radio Rear Speaker Replacement
- Radio Replacement
- Radio Speaker Amplifier Replacement
