For 1990-2009 cars only
Driver Information and Entertainment
All Description and Operation
Diagnostic Procedures
- Diagnostic Starting Point - Cellular, Entertainment, and Navigation
- Digital Radio Malfunction
- 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 Voice Recognition Malfunction
- Radio Displays CAL or CAL ERR
- Radio Displays LOC, LOCKED, or CODE
- Radio Poor Reception
- Speaker Malfunction
- Speaker Replacement Reference
- 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 or B2482
- DTC B2483 or B2484
Electrical/Electronic Schematic Diagrams
Mechanical Specifications
Removal, Installation, and Replacement
- Antenna Cable Replacement
- Cellular and Navigation Antenna Assembly Replacement
- Cellular Communications/Digital Radio Antenna Replacement
- Communication Interface Module Replacement
- Compact Disc Care and Cleaning
- Digital Radio and Mobile Telephone and Vehicle Location Base Replacement
- Digital Radio Antenna Cable Replacement
- Digital Radio Antenna Replacement
- Digital Radio Receiver Replacement
- Fixed Antenna Mast Replacement
- Mobile Telephone and Navigation Antenna Coaxial Cable Replacement
- Mobile Telephone Digital Antenna Replacement
- Mobile Telephone Microphone Replacement
- Navigation Control Processor Bracket Replacement
- OnStar Button Assembly Replacement
- Radio Antenna Cable Extension Cable Replacement
- Radio Front Side Door Speaker Replacement
- Radio Rear Side Door Speaker Replacement
- Radio Replacement
- Wireless Communication Interface Antenna Replacement
