Cellular, Entertainment, And Navigation

• Specifications
  • Fastener Specifications
• Schematic Wiring Diagrams
  • Radio/Navigation System Wiring Schematics (IOR)
    • Radio Power, Ground, Controls, Microphones and Serial Data (IOR)
    • Speakers (IOR)
    • Active Noise Cancellation Microphones (IOR)
    • Antennas (IOR)
    • Auxiliary Inputs (IOR)
  • Radio/Navigation System Wiring Schematics (IOS or IOU)
    • Radio Power, Ground, Controls, Microphones and Serial Data (IOS or IOU)
    • Audio Amplifier Power, Ground, Serial Data and References (IOS or IOU)
    • Radio to Audio Amplifier (IOS)
    • Speakers (IOS)
    • Speakers (IOU)
    • Active Noise Cancellation Microphones (IOS or IOU)
    • Antennas (IOS or IOU)
    • Auxiliary Inputs (IOS or IOU)
  • OnStar/Telematics Wiring Schematics
    • Power, Ground, Serial Data and Antennas
    • Controls and Audio Signals (IOR)
    • Controls and Audio Signals (IOS or IOU)
• Diagnostic Information and Procedures
  • DTC B1114 (UE1)
    • 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 Testing
    • Repair Instructions
  • DTC B1114 (without UE1)
    • 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
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1274 or B137B-B137D (IOR)
    • 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 Testing
    • Repair Instructions
  • DTC B1346
    • 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 Testing
    • Repair Instructions
  • DTC B13A7
    • 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
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B13AA (UE1)
    • 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
    • Reference Information
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B13AA (without UE1)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B13AB
    • 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 Testing
    • Component Testing
    • Repair Instructions
  • DTC B15AF
    • 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 B1618
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1737
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B174E
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Missing XM Channels or No Audio On Certain XM Channels
    • Component Testing
    • Repair Instructions
  • DTC B178C
    • 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
    • Reference Information
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B186C
    • 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
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1960-B1963 (without IOR)
    • 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 B1960-B1963 (IOR)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Diagnostic Aids
    • 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 B1964
    • 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 B19B1
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC B19DA
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC B1A36
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • DTC B1A91
    • 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 Testing
    • Repair Instructions
  • DTC B1A95 or B1A96
    • 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 B1B01 or B1B02
    • 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 B1B19
    • Diagnostic Instructions
    • DTC Descriptor
    • 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
    • Repair Instructions
  • DTC B1B2F
    • Diagnostic Instructions
    • DTC Descriptor
    • 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
    • Repair Instructions
  • DTC B2B15
    • Diagnostic Instructions
    • DTC Descriptor
    • 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
    • Repair Instructions
  • DTC U1967
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC U196E
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • Symptoms - Cellular Communication
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Symptoms - Entertainment
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Application Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • Auxiliary Audio Input Malfunction
    • 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
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • Infotainment Control Switch Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Cellular Telephone Microphone Malfunction (UE1/UDA)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Cellular Telephone Microphone Malfunction (without UE1/ UDA)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Digital Radio Poor or No Reception
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Missing XM Channels or No Audio On Certain XM Channels
    • Component Testing
    • Repair Instructions
  • Phone Projection Malfunction (Apple CarPlay)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • Phone Projection Malfunction (Android Auto)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • No Global Positioning System (GPS) Reception (UE1)
    • 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
    • Reference Information
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • No Global Positioning System (GPS) Reception (without UE1)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • OnStar Button LED Malfunction
    • Diagnostic Instructions
    • Circuit Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • OnStar Call Center Remote Function Requests Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • OnStar Button Malfunction
    • 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 Testing
    • Repair Instructions
  • Radio Information Display Malfunction
    • 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
  • Radio Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Radio Poor Reception
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Speaker Replacement Reference
  • Speaker Malfunction
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
    • Diagnostic Fault Information
  • Speaker Malfunction (IOR)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Diagnostic Aids
    • 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
    • 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
    • Reference Information
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Navigation System Malfunction (and SD Card Errors)
    • Notes
    • Repair Instructions
  • Voice Recognition Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • SD Card Setup
• Repair Instructions
  • Mobile Telephone Microphone Replacement
  • Communication Interface Module Microphone Replacement
  • Communication Interface Module Replacement
  • Communication Interface Module Battery Replacement
  • Communication Interface Module Bracket Replacement
  • Radio Bracket Replacement
  • Radio Replacement
  • Radio Control Assembly Replacement
  • Active Noise Cancellation Microphone Grille Replacement
  • Active Noise Cancellation Microphone Replacement
  • Radio Speaker Amplifier Replacement
  • Multimedia Receptacle Replacement
  • Radio Antenna Amplifier Replacement
  • Radio AM Antenna Signal Filter Module Replacement
  • Radio Front Center Speaker Replacement
  • Radio Front Speaker Grille Replacement
  • Radio Front Center Speaker Grille Replacement
  • Radio Front Speaker Replacement
  • High Frequency Antenna Replacement
  • Auxiliary Wireless Communication Interface Antenna Replacement
  • USB 2 Port Receptacle Replacement
  • Radio Front Side Door Speaker Replacement
  • Radio Control Switch Replacement - Steering Wheel
    • Removal Procedure
    • Installation Procedure
  • Radio Rear Side Door Speaker Replacement
  • Radio Body Rear Corner Upper Garnish Molding Speaker Replacement
  • Floor Console Accessory Function Switch Replacement
• Description and Operation
  • OnStar Description and Operation
    • Notes
    • Telematics Communication Module
    • OnStar® Three Button Assembly
    • Secondary OnStar® Controls
    • Microphones
    • Cellular and GPS Antennas
    • Compass Heading
    • Bluetooth®
    • Phantom Phone Calls
    • Back-up Battery
    • WiFi Support
    • 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
  • Radio/Audio System Description and Operation (IOR)
    • Notes
    • Radio Circuit Operation
    • Information Display and Controls
    • Antenna System
    • Radio Reception
    • Digital Radio Receiver (If equipped)
    • Speaker Operation
    • Audio Amplifier (If equipped)
    • WiFi
    • Valet Mode
    • Teen Driver
    • Theft Deterrent
    • Bluetooth® (If Equipped)
    • Bluetooth® Features Supported
    • Voice Recognition
    • USB Port and Auxiliary port (If equipped)
    • OnStar® (If equipped)
    • Locations Services
    • Steering Wheel Controls (If equipped)
    • Speed Compensated Volume
    • Firmware Over The Air
    • Active Noise Cancellation (If equipped)
  • Radio/Audio System Description and Operation (IOS/IOU)
    • Notes
    • Demo Mode
    • Data Communications
    • Remote Radio Receiver
    • Speaker Operation
    • Antenna System
    • Radio Reception
    • Auto Volume Control (If equipped)
    • Microphones
    • Bluetooth® (If equipped)
    • WiFi
    • Back Office Registration
    • Applications (If equipped)
    • Speech Recognition
    • Navigation System Components and Features (if equipped)
    • Locations Services
    • Valet Mode
    • Teen Driver
    • Theft Deterrent
    • Audio Amplifier (If equipped)
    • Infotainment Controls and Display
    • Steering Wheel Controls (If equipped)
    • USB Port, SD Card Reader and Auxiliary port (If equipped)
    • OnStar® (If equipped)
    • Firmware Over The Air
    • Compass Data
    • Media Disc Player (if equipped)
    • Digital Rearview Camera (if equipped)
• Special Tools and Equipment
  • Special Tools
  • Special Tools (MIT Tool Instructions)
    • Bluetooth Pairing for Vehicles with Radio RPO: UF7
    • Holden Radio Bluetooth Pairing Instructions
    • For all other Radios
    • Troubleshooting Guide