Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures
- Diagnostic Information and Procedures
- DTC B0997: Auxiliary Electronic Control Unit Performance
- DTC B1024 (Audio Amplifier): Circuit Board Temperature Sensor Above Maximum Threshold
- DTC B1024 (Human Machine Interface Control Module): Circuit Board Temperature Sensor Threshold
- DTC B1024 (Radio): Circuit Board Temperature Sensor
- DTC B1025-B1135 (IO5/IO6): Audio Output Circuit
- 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-B1135 (IOS/IOT): Audio Output Circuit
- 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 (IO5/IO6): USB 1 Circuit
- 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): USB 1 Circuit
- 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 1 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 B125B: Antenna 2 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 (except IO6 with CW1): Digital Audio Broadcast (DAB)
- DTC B125E (IO6 with CW1): Digital Audio Broadcast (DAB)
- DTC B1265: Entertainment System Remote Enable Circuit
- DTC B1271: Theft Protection Active
- DTC B1277 (except IO6 with CW1): Microphone 1 Input Signal Circuit
- DTC B1277 (IO6 with CW1): Microphone 1 Input Signal Circuit
- DTC B127C: Microphone 2 Input Signal Circuit
- DTC B127E (IO5/IO6): Front Video Display Output Signal
- DTC B127E (IOS/IOT): Front Video Display Output Signal
- DTC B12A1 (without UQT): Audio Control Request Circuit
- DTC B12A1 (with UQT): Audio Control Request Circuit
- DTC B12A3 (without UQT): Display Control Request Circuit
- DTC B12A3 (with UQT): Display Control Request Circuit
- DTC B12A7: Optical Media Drive
- DTC B12A8: Optical Media Drive Theft Locked
- DTC B1446 or B1447 (UE1 without IOS/IOT): Backup Power Source
- DTC B1446 or B1447 (UI3): Backup Power Source
- DTC B1446 or B1447 (UE1 with IOS/IOT): Backup Power Source
- DTC B245A: Telematics Green Indicator Circuit
- DTC B245B: Keypad Red LED Control
- DTC B245C: Telematics Audio Output circuit
- DTC B2455 (without IOS/IOT): Cellualr Phone Microphone Circuit
- DTC B2455 (IOS/IOT): Cellular Phone Microphone Circuit
- DTC B2462 (IO5/IO6 with UE1/UI3): Global Positioning System
- 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 (without UE1/UI3, CW1): Global Positioning System Signal
- DTC B2462 (CW1): Global Positioning System Signal
- DTC B2462 (IOS/IOT): Global Positioning System
- DTC B2470: Cellular Phone Antenna Circuit Malfunction
- DTC B2476 or B2482 (UE1): 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 B2476 or B2482 (UI3): Cellular Phone Select Service Switch Open
- Symptoms - Cellular Communication
- Symptoms - Entertainment
- Application Malfunction (IO5/IO6)
- Application Malfunction (IOS/IOT)
- Auxiliary Audio Input Malfunction (IO6 with CW1)
- Auxiliary Audio Input Malfunction (IO5/IO6 except IO6 with CW1)
- 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)
- 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 (IO5/IO6)
- Bluetooth Malfunction (without IO5/IO6)
- Digital Radio Poor or No Reception (U2M)
- 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)
- Digital Radio Poor or No Reception (IO6 with CW1)
- OnStar Microphone Malfunction (without IOS/IOT)
- OnStar Microphone Malfunction (IOS/IOT)
- Media Disc Player Malfunction
- OnStar Audio Malfunction
- No Global Positioning System (GPS) Reception (IO5/IO6 with UE1/UI3)
- 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 (without UE1/UI3, CW1)
- No Global Positioning System (GPS) Reception (CW1)
- No Global Positioning System (GPS) Reception (IOS/IOT)
- OnStar Button LED Malfunction
- OnStar Call Center Remote Function Requests Malfunction
- OnStar Button Malfunction (UE1)
- OnStar Button Malfunction (UI3)
- OnStar Steering Wheel Control Functions Malfunction
- Radio Information Display Malfunction (IO5/IO6)
- Radio Information Display Malfunction (IOS/IOT)
- 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 (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 (IOS/IOT)
- 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 and IO6 with CW1)
- Voice Recognition Malfunction (IO6 with CW1)