Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures
- Diagnostic Information and Procedures
- DTC B0997: Info Display Module Malfunction
- DTC B1020: Auxiliary Electronic Control Unit (ECU) Performance
- DTC B1025, B1035, B1045, or B1055: Front Audio Output
- 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 Instructions
- 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 B1265: Switched 14 Volt Performance
- DTC B1271: Theft Protection Active
- DTC B1287: Amplifier Control Signal Circuit Short to Battery
- DTC B1446 or B1447: Backup Power Source
- DTC B2455: Cellular Phone Microphone
- DTC B2462: Global Positioning System (Radio)
- DTC B2462: Global Positioning System (OnStar)
- DTC B2470: Cellular Phone Antenna
- DTC B2476 or B2482: Cellular Phone Select Service Switch
- 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
- Repair Instructions
- DTC B2485: Wireless Communication Antenna (without UE1)
- DTC B2485: Wireless Communication (BT) Antenna (with UE1)
- Diagnostic Instructions
- DTC Descriptors
- 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 Verification
- Circuit/System Testing
- Repair Instructions
- DTC U0255-U0257: Lost Communication with Module
- Symptoms - Cellular Communication
- Symptoms - Entertainment
- Application Malfunction
- Auxiliary Audio Input Malfunction (Without SD Card Reader)
- Auxiliary Audio Input Malfunction
- Bluetooth Malfunction (OnStar)
- Bluetooth Malfunction (with UP9)
- Bluetooth Malfunction (UPF)
- Cellular Telephone Conversation Partner Does Not Hear You
- Cellular Telephone Conversation Partner Cannot Be Heard
- Cellular Telephone Microphone Malfunction
- Digital Radio Poor or No Reception
- 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
- OnStar Global Positioning System (GPS) Data Not Current or Inaccurate
- OnStar Microphone Malfunction
- OnStar Audio Malfunction
- No Global Positioning System (GPS) Reception
- OnStar Button LED Malfunction (without UVC)
- OnStar Button LED Malfunction (with UVC)
- OnStar Call Center Remote Function Requests Malfunction
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- OnStar Steering Wheel Control Functions Malfunction
- Radio Controls Malfunction (with Monochrome Display)
- Radio Controls Malfunction (with Color Display)
- Radio Information Display Malfunction (with Monochrome Display)
- Radio Information Display Malfunction (with Color Display)
- 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 (Convertible)
- Speaker Malfunction (Coupe)
- Unable to Contact OnStar Call Center
- OnStar Voice Recognition Malfunction