Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC2007XLR VREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSCELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM
2007 Cadillac XLR V
Cellular System, Entertainment System, And Navigation System
2007 Cadillac XLR VSECTION Cellular System, Entertainment System, And Navigation System
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Entertainment/Communication Component Views
- Entertainment/Communication Connector End Views
- Audio Amplifier C1
- Audio Amplifier C2
- Audio Amplifier C3
- CD Changer C1
- CD Changer C2
- Cellular Microphone
- Digital Radio Receiver
- Noise Compensation Microphone
- Radio C1
- Radio C2
- Radio C3 (Japan)
- Radio Antenna Module - Left
- Radio Antenna Module - Right C1
- Radio Antenna Module - Right C2
- Speaker - Center
- Speaker - Driver Seat Left
- Speaker - Driver Seat Right
- Speaker - Passenger Seat Left
- Speaker - Passenger Seat Right
- Speaker - LF Door Subwoofer
- Speaker - LF Midrange
- Speaker - RF Door Subwoofer
- Speaker - RF Midrange
- Steering Wheel Control Switch Assembly - C1
- Steering Wheel Control Switch Assembly - C2
- Traffic Information Receiver (Japan)
- Vehicle Communication Interface Module (VCIM) C1
- Vehicle Communication Interface Module (VCIM) C2
- Vehicle Communication Interface Module (VCIM) C3
- Vehicle Communication Interface Module (VCIM) C4
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Cellular, Entertainment and Navigation
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B0001
- DTC B1001
- DTC B125A, B125B
- DTC B1271
- DTC B2455
- DTC B2462
- DTC B2463
- DTC B2464
- DTC B2465
- DTC B2466
- DTC B2468
- DTC B2470
- DTC B2474
- DTC B2476
- DTC B2482
- DTC B2483 or B2484
- DTC U1500
- DTC U2153
- Symptoms - Cellular Communication
- Symptoms - Entertainment
- Symptoms - Navigation Systems
- Audio System Troubleshooting Hints
- Digital Radio Poor or No Reception
- Digital Radio Receiver Setup
- Global Positioning System (GPS) Data Not Current or Inaccurate
- Microphone Inoperative - Caller Cannot Be Heard
- Navigation System - Voice Recognition Inoperative
- No (or Noisy) OnStar Audio
- No Global Positioning System (GPS) Reception
- Noise Compensated Volume Inoperative
- OnStar Button LED Inoperative
- OnStar Call Center Remote Function Requests Inoperative
- OnStar One or More Buttons Inoperative
- OnStar Re-Configuration (without TIS2web Gen 3 and prior)
- OnStar Re-Configuration (with TIS 2 Web Gen 4 and later)
- OnStar Steering Wheel Control Functions Inoperative
- OnStar Symptom Diagnosis
- Radio Poor Reception
- Radio Setup
- Reduced Volume - One or More Speakers
- Speaker Replacement Reference
- Speakers Inoperative - All
- Speakers Inoperative - One or More
- Unable to Contact OnStar Call Center
- Voice Recognition Inoperative
- Repair Instructions
- Mobile Telephone Microphone Replacement
- Communication Interface Module Replacement
- Compact Disc Care and Cleaning
- Radio Replacement
- Digital Radio Receiver Replacement
- Microphone Replacement - Radio Volume Compensator Interior
- Remote CD Changer Replacement
- Amplifier Replacement
- Navigation Display Module Replacement
- Cellular and Navigation Antenna Assembly Replacement
- Fixed Antenna Replacement
- Radio Antenna Module Replacement
- Antenna Ground Plate Replacement
- Digital Radio Antenna Replacement
- Global Positioning System (GPS) Antenna Replacement
- Digital Radio Antenna Cable Replacement
- Antenna Cable Replacement
- Driver Seat Head Restraint Speaker Grille Replacement
- Passenger Seat Head Restraint Speaker Grille Replacement
- Driver Seat Head Restraint Speaker Replacement
- Passenger Seat Head Restraint Speaker Replacement
- Radio Front Speaker Replacement
- Radio Front Side Door Speaker Replacement
- Description and Operation
- Navigation System Description and Operation
- OnStar Description and Operation
- Notes
- Vehicle Communication Interface Module (VCIM)
- OnStar® Button Assembly
- OnStar® Microphone
- Cellular and Navigation Antennas
- OnStar Sleep Cycle
- Deactivated OnStar® Accounts
- OnStar® Reconfiguration Procedure
- OnStar® Cellular, GPS and Diagnostic Limitations
- OnStar® Personal Calling
- Operation of the Hands Free Cellular Phone
- OnStar® Steering Wheel Controls
- OPC Features
- Voice Feedback
- OPC Security/System Lock
- Nametags
- Mobile Identification Number and Mobile Directory Number
- Placing a Call
- Operation of the OnStar® Speech Recognition Systems
- Radio/Audio System Description and Operation
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.