Cellular System, Entertainment System, And Navigation System
- Specifications
- Schematic Wiring Diagrams
- Radio/Navigation System Wiring Schematics (IO3)
- Radio/Navigation System Wiring Schematics (IO5 or IO6)
- Radio, Power, Ground and Serial Data
- Media Disc Player Power, Ground and Serial Data
- Audio Amplifier Power, Ground and Serial Data
- Rear Seat Audio Control (ULG)
- Human Machine Interface and Display, Power, Ground and Serial Data (MAW)
- Human Machine Interface and Display, Power, Ground and Serial Data (-MAW)
- Navigation Power, Ground, Serial Data, and Antennas (IO6)
- Antennas
- Speakers
- Auxiliary Inputs
- OnStar/Telematics Wiring Schematics
- Diagnostic Information and Procedures
- DTC B0997: Auxiliary Electronic Control Unit Performance
- DTC B1024: Circuit Board Temperature Sensor Above Maximum Threshold (Audio Amplifier)
- DTC B1024: Circuit Board Temperature Sensor (Human Machine Interface Control Module)
- DTC B1025-B1135: Audio Output Circuits
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Diagnostic Aids
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B124B: USB 1 Circuit (with IO3)
- 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 Instructions
- DTC B124B: USB 1 Circuit (with IO5/IO6)
- 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 Instructions
- DTC B124C: USB 2 Circuit
- DTC B124F: Universal Serial Bus (USB) Programming
- DTC B125A: Antenna Signal Circuit
- 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
- Component Testing
- Repair Instructions
- DTC B125C: Satellite Antenna Circuit
- Diagnostic Instructions
- DTC Descriptors
- 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
- Component Testing
- Repair Instructions
- DTC B125E: Digital Audio Broadcast (DAB) Circuit (except IO6 with CW1)
- DTC B125E: Digital Audio Broadcast (DAB) Circuit (IO6 with CW1)
- DTC B1265: Entertainment System Remote Enable Circuit
- DTC B1271: Theft Protection Active
- DTC B1277: Microphone 1 Input Signal Circuit (except IO6 with CW1)
- DTC B1277: Microphone 1 Input Signal Circuit (IO6 with CW1)
- DTC B127E: Front Video Display Output Signal (IO5/IO6)
- DTC B127E: Front Video Display Output Signal (IO3)
- DTC B12A1: Audio Control Request Circuit
- DTC B12A3: Display Control Request Circuit
- DTC B12A4: Infotainment Faceplate Control Module A
- DTC B12A6: Info Display Module Internal Malfunction
- DTC B12A7: Optical Media Drive
- DTC B12A8: Optical Media Drive Theft Locked
- DTC B1446 or B1447: Backup Power Source
- DTC B2455: Cellular Phone Microphone Circuit
- DTC B2462: Global Positioning System (without IO6 & CW1)
- Diagnostic Instructions
- DTC Descriptors
- 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
- Component Testing
- Repair Instructions
- DTC B2462: Global Positioning System Signal (with IO6 & CW1)
- DTC B2470: Cellular Phone Antenna Circuit Malfunction
- DTC B2476 or B2482: Cellular Phone Select Service Switch
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B2485: Wireless Communication (BT) Antenna Circuit
- Symptoms - Cellular Communication
- Symptoms - Entertainment
- Application Malfunction
- Auxiliary Audio Input Malfunction (with IO3)
- Auxiliary Audio Input Malfunction (IO6 with CW1)
- Auxiliary Audio Input Malfunction (with IO5/IO6)
- 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 Instructions
- Bluetooth Malfunction (with UPF)
- Bluetooth Malfunction (without UPF)
- Digital Radio Poor or No Reception (except IO6 with CW1)
- Diagnostic Instructions
- DTC Descriptors
- 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
- Component Testing
- Repair Instructions
- Digital Radio Poor or No Reception (IO6 with CW1)
- OnStar Microphone Malfunction
- Media Disc Player Malfunction
- OnStar Audio Malfunction
- No Global Positioning System (GPS) Reception (without IO6 & CW1)
- Diagnostic Instructions
- DTC Descriptors
- 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
- Component Testing
- Repair Instructions
- No Global Positioning System (GPS) Reception (with IO6 & CW1)
- OnStar Button LED Malfunction
- OnStar Call Center Remote Function Requests Malfunction
- OnStar Button Malfunction
- OnStar Steering Wheel Control Functions Malfunction
- Radio Information Display Malfunction (IO5/IO6)
- Radio Information Display Malfunction (IO3)
- Radio Poor Reception
- 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
- Component Testing
- Repair Instructions
- Speaker Replacement Reference
- Speaker Malfunction
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Diagnostic Aids
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- Unable to Contact OnStar Call Center
- OnStar Voice Recognition Malfunction
- Voice Recognition Malfunction (with UE1)
- Voice Recognition Malfunction (without UE1)
- Voice Recognition Malfunction (IO6 with CW1)
- Repair Instructions
- Mobile Telephone Microphone Replacement
- Mobile Telephone Microphone Opening Trim Plate Replacement
- Peripheral Human Machine Interface Control Module Replacement
- Human Machine Interface Control Module Replacement
- Communication Center Call Switch Replacement
- Communication Interface Module Replacement
- Communication Interface Module Battery Replacement
- Wireless Communication Interface Antenna Replacement
- Radio Replacement
- Radio Control Assembly Replacement
- Radio Volume Compensator Interior Noise Microphone Replacement
- Active Noise Cancellation Microphone Grille Replacement
- Disc Player Replacement
- Audio Disc Player and USB Receptacle Replacement
- Audio Disc Player, USB, Auxiliary In, and Memory Card Receptacle Replacement
- Radio Speaker Amplifier Replacement
- Navigation Signal Splitter Replacement
- Radio Antenna Coil Replacement
- Radio Antenna Ground Coil Replacement
- Radio Antenna Base Replacement
- Radio Antenna Amplifier Replacement
- Rear Seat Audio Control Replacement
- Radio Front Center Speaker Replacement
- Radio Front Speaker Grille Replacement
- Radio Front Center Speaker Grille Replacement
- Radio Rear Speaker Grille Replacement
- Radio Front Speaker Replacement
- USB Receptacle Replacement
- Radio Front Side Door Speaker Replacement
- Radio Rear Speaker Replacement
- Radio Control Switch Replacement - Steering Wheel
- Radio Control Switch Replacement - Rear
- Radio Rear Side Door Speaker Replacement
- Description and Operation
- Navigation System Description and Operation (with CW1)
- OnStar Description and Operation
- Notes
- Telematics Communication Interface Control Module
- OnStar® Three Button Assembly
- Secondary OnStar® Controls
- OnStar® Microphone
- Cellular and GPS Antennas
- OnStar® RemoteLink
- Compass Heading
- Bluetooth® (If Equipped)
- Bluetooth® Features Supported
- Pairing a Bluetooth® Cellular Phone to the Vehicle
- Back-up Battery (If Equipped)
- WiFi Hotspot
- Audio System Interface
- OnStar® Sleep Cycle
- Features
- Teletypewriter (TTY) Users
- 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 (IO3)
- Notes
- Data Communications
- Remote Radio Receiver
- Media Disc Player
- Audio Amplifier (If equipped)
- Speaker Operation
- Infotainment Controls and Display
- Antenna System
- Radio Reception
- Theft Deterrent
- Auxiliary Audio Input Jack (If equipped)
- USB Port and SD Card Reader
- Valet Mode
- OnStar® (If equipped)
- Steering Wheel Controls (If equipped)
- Auto Volume Control
- Radio/Audio System Description and Operation (IO5/IO6)
- Notes
- Data Communications
- Remote Radio Receiver
- Human Machine Interface Module
- Media Disc Player
- Audio Amplifier (If equipped)
- Speaker Operation
- Infotainment Controls and Display
- Antenna System
- Radio Reception
- Theft Deterrent
- Bluetooth® (If equipped)
- Applications (If equipped)
- Auxiliary Audio Input Jack (If equipped)
- USB Port and SD Card Reader
- Navigation System Components and Features (if equipped)
- Valet Mode
- OnStar® (If equipped)
- Steering Wheel Controls (If equipped)
- Auto Volume Control
- Special Tools and Equipment