Cellular System, Entertainment System & Navigation System
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Cellular, Entertainment, and Navigation
- DTC B0996, B1016, or B1271
- DTC B0997
- DTC B1019
- DTC B101D
- DTC B101E
- DTC B1023
- DTC B1025, B1035, B1045, or B1055
- DTC B1240 or B1245
- DTC B1243 or B1248
- DTC B1244 or B1249
- DTC B1259
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B1423
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B1446 or B1447
- DTC B2455
- DTC B2470
- DTC B2476 or B2482
- DTC B2483 or B2484
- DTC U2121
- Symptoms - Cellular Communication
- Symptoms - Entertainment
- Digital Radio Malfunction
- OnStar Global Positioning System (GPS) Data Not Current or Inaccurate
- OnStar Microphone Malfunction
- OnStar Audio Malfunction
- OnStar Button LED Malfunction
- OnStar Call Center Remote Function Requests Manfunction
- OnStar Button Malfunction
- OnStar Steering Wheel Control Functions Manfunction
- Radio Poor Reception
- Speaker Replacement Reference
- Speaker Malfunction
- Unable to Contact OnStar Call Center
- OnStar Voice Recognition Malfunction
- Repair Instructions
- OnStar Button Assembly Replacement
- Communication Interface Module Microphone Replacement
- Communication Interface Module Replacement
- Communication Interface Module Battery Replacement
- Communication Interface Module Bracket Replacement
- Radio Replacement
- Digital Radio Receiver Replacement
- Digital Radio Receiver Bracket Replacement
- Driver Information Display Replacement
- Radio Speaker Amplifier Replacement
- Cellular Communications/Digital Radio Antenna Replacement
- Radio Front Speaker Replacement (Tweeter)
- Radio Front Speaker Replacement (Center)
- Radio Front Side Door Lower Speaker Replacement
- Radio Rear Speaker Replacement
- Radio Rear Side Door Speaker Replacement
- Description and Operation
- OnStar Description and Operation
- Notes
- Communication Interface Module (CIM)
- OnStar® Button Assembly
- OnStar® Microphone
- Cellular and GPS Antennas
- Back-up Battery (BUB) (If Equipped)
- Audio System Interface
- OnStar® Steering Wheel Controls
- OnStar® Sleep Cycle
- Features
- Deactivated OnStar® Accounts
- OnStar® Cellular, GPS, and Diagnostic Limitations
- Mobile Identification Number and Mobile Directory Number
- Operation of the OnStar® Speech Recognition Systems
- Radio/Audio System Description and Operation
- Notes
- Radio Circuit Operation
- Radio Faceplate (Radio/HVAC Display)
- Antenna System
- AM/FM Reception
- Digital Radio Receiver (DDR) (if equipped)
- Speaker Operation
- Audio Amplifier (If equipped)
- MP3/CD Formatting Information for MP3/CD Radios
- Integral Multi Disc CD Changer (IMDX) (If equipped)
- Theft Deterrent
- Radio Error Messages
- OnStar ® (if equipped)
- Steering Wheel Controls (if equipped)
- Using the Auxiliary Input Jack (if equipped)
- Speed Dependant Volume (If equipped)
- Dynamic Distortion Limiter (DDL)
- OnStar Description and Operation
- Special Tools and Equipment