Driver Information and Entertainment

All Description and Operation

• OnStar Description and Operation
• Radio/Audio System 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 Reconfiguration
• OnStar Steering Wheel Control Functions Inoperative
• OnStar Voice Recognition Malfunction
• Radio Poor Reception
• Radio Setup
• 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 B1287
• DTC B1446 or B1447
• DTC B2455
• DTC B2470
• DTC B2476 or B2482
• DTC B2483 or B2484

Electrical/Electronic Schematic Diagrams

• OnStar Schematics
• Radio/Navigation System Schematics

Mechanical Specifications

• Fastener Tightening Specifications

Removal, Installation, and Replacement

• Antenna Cable Replacement
• Cellular Communications/Digital Radio Antenna Replacement
• Communication Interface Module Battery Replacement
• Communication Interface Module Replacement
• Digital Radio Antenna Cable Replacement
• Digital Radio Receiver Replacement
• Front Upper Speaker Replacement
• Mobile Telephone and Navigation Antenna Coaxial Cable Replacement
• Mobile Telephone Digital Antenna Replacement
• Mobile Telephone Microphone Replacement
• Radio Antenna Cable Extension Cable Replacement
• Radio Antenna Module Replacement
• Radio Front Side Door Speaker Replacement
• Radio Rear Speaker Grille Replacement
• Radio Rear Speaker Replacement
• Radio Replacement
• Radio Speaker Amplifier Replacement