Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures
- Diagnostic Information And Procedures
- DTC B0560: Engine RPM Input Circuit Signal Invalid
- DTC B0997: Auxiliary Electronic Control Unit Performance
- DTC B1024: Circuit Board Temperature Sensor
- DTC B1025, B1035, B1045 Or B1055: Audio Output Circuits (Without UQA/UZ6)
- 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 B1025, B1045, B1065, B1075, B1085, B1095 Or B1105: Audio Output Circuits (UQA With IO5/IO6)
- 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 B1025, B1035, B1045 Or B1055: Audio Output Circuits (UZ6)
- 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 B1025, B1045, B1065, B1085, B1095, B1105 Or B1115: Audio Output Circuits (UQA With IOS/IOT/IOU)
- 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 B123E: Radio Keypad Button Signal Circuit
- 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 Verification
- Circuit/System Testing
- Repair Instructions
- DTC B124B: USB 1 Circuit (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 B124B (IOB)
- DTC B124B: USB 1 Circuit (IOR)
- 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 (IOS/IOT/IOU)
- DTC B124C: USB 2 Circuit (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 (IOS/IOT/IOU)
- 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 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
- DTC B1265: Entertainment System Remote Enable Circuit
- DTC B1271: Theft Protection Active Malfunction
- DTC B1277: Microphone 1 Input Signal Circuit (IO5/IO6)
- DTC B1277: Cellular Phone Microphone Circuit (IOS/IOT/IOU)
- DTC B1277: Cellular Phone Microphone Circuit (IOR)
- DTC B127C: Microphone 2 Input Signal Circuit (IOS/IOT/IOU)
- DTC B127E: Front Video Display Output Signal (IO5/IO6 Without MAH/MBC)
- DTC B127E: Front Video Display Output Signal (IOB)
- DTC B127E: Front Video Display Output Signal (IOS/IOT/IOU/IOR)
- DTC B127E: Front Video Display Output Signal (IO5/IO6 With MAH/MBC)
- DTC B1287: Amplifier Control Signal Circuit
- DTC B1446 Or B1447: Backup Power Source (IO5/IO6/IOB)
- DTC B1446 Or B1447: Backup Power Source (IOU/IOS/IOT/IOR)
- DTC B2455: Cellular Phone Microphone Circuit (IO5/IO6/IOB)
- DTC B2455: Cellular Phone Microphone Circuit (IOR/IOU/IOT/IOS)
- DTC B2462: Global Positioning System (IO5/IO6 With UE1)
- 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 (IO5/IO6 Without UE1)
- DTC B2462: Global Positioning System (Without IO5/IO6)
- DTC B2470: Cellular Phone Antenna Circuit Malfunction
- DTC B2476 Or B2482: Cellular Phone Select Service Switch
- Symptoms - Cellular Communication
- Symptoms - Entertainment
- Application Malfunction
- Auxiliary Audio Input Malfunction (IOB)
- Auxiliary Audio Input Malfunction (IO5/IO6)
- Auxiliary Audio Input Malfunction (IOR)
- 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
- Auxiliary Audio Input Malfunction (IOS/IOT/IOU)
- Bluetooth Malfunction (IO5/IO6)
- Bluetooth Malfunction (Without IO5/IO6)
- Digital Radio Poor Or No Reception (Without U2Q)
- 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 (U2Q)
- Phone Projection Malfunction (Apply CarPlay)
- Phone Projection Malfunction (Android Auto)
- OnStar Microphone Malfunction (IO5/IO6/IOB)
- OnStar Microphone Malfunction (IOR/IOU/IOT/IOS)
- OnStar Audio Malfunction (IOB)
- OnStar Audio Malfunction (Without IOB)
- No Global Positioning System (GPS) Reception (UE1 With IO5/IO6)
- 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 (IO5/IO6 Without UE1)
- No Global Positioning System (GPS) Reception (Without IO5/IO6)
- OnStar Button LED Malfunction
- OnStar Call Center Remote Function Requests Malfunction
- OnStar Button Malfunction
- OnStar Steering Wheel Control Functions Malfunction
- Radio Controls Malfunction (IOB)
- Radio Controls Malfunction (IOR)
- Radio Information Display Malfunction (IOB)
- Radio Information Display Malfunction (IO5/IO6 Without MAH/MBC)
- Radio Information Display Malfunction (IOS/IOT/IOU)
- Radio Information Display Malfunction (IO5/IO6 With MAH/MBC)
- Radio Information Display Malfunction (IOR)
- 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 (UQA With IO5/IO6)
- 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
- Speaker Malfunction (UZ6)
- 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
- Speaker Malfunction (Without UQA/UZ6)
- Speaker Malfunction (UQA With IOS/IOT/IOU)
- 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 (UE1)
- Voice Recognition Malfunction (Without UE1)
- Radio Reset