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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 807 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30
Section 807 (Cellular System, Entertainment System, And Navigation System)
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION Section 807 (Cellular System, Entertainment System, And Navigation System)
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Entertainment/Communication Component Views
- Entertainment/Communication Connector End Views
- Amplifier C1 (WBM)
- Amplifier C2 (WBM)
- Amplifier C3 (WBM)
- Cellular Telephone Microphone (UE1)
- Digital Radio Receiver (U2K)
- Radio C1
- Radio C2
- Radio C3 (U32)
- Speaker - LF
- Speaker - LR
- Speaker - RF
- Speaker - RR
- Speaker - LF (Tweeter) (UW6/WBM)
- Speaker - RF (Tweeter) (UW6/WBM)
- Speaker - Subwoofer (WBM)
- Vehicle Communication Interface Module (VCIM) C1 (UE1)
- Vehicle Communication Interface Module (VCIM) C2 (UE1)
- Video Display (U32)
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B1025, B1035, B1045, or B1055
- DTC B1259
- DTC B1287
- 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 Procedures
- DTC B2455
- DTC B2470
- DTC B2476
- DTC B2482
- DTC B2483 or B2484
- DTC U1500
- Symptoms - Cellular Communication
- Audio System Troubleshooting Hints
- Video Entertainment System Troubleshooting Hints
- Audio Distortion - One or More Speakers
- Auxiliary Video Display is Poor or Blank
- 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
- No (or Noisy) OnStar Audio
- OnStar Button LED Inoperative
- OnStar Call Center Remote Function Requests Inoperative
- OnStar One or More Buttons Inoperative
- OnStar Reconfiguration
- 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
- Speakers Inoperative - Subwoofer
- Unable to Contact OnStar Call Center
- Video Display is Poor or Blank
- Video Entertainment System Inoperative
- Video Entertainment System Remote Control Inoperative
- Video Entertainment System Wireless Headphone Inoperative
- Voice Recognition Inoperative
- Repair Instructions
- Mobile Telephone Microphone Replacement
- Communication Interface Module Replacement
- Compact Disc Care and Cleaning
- Radio Replacement
- Digital Radio Receiver Replacement
- Amplifier Replacement
- Mobile Telephone Digital Antenna Replacement
- Cellular Communications/Digital Radio Antenna Replacement
- Fixed Antenna Mast Replacement
- Fixed Antenna Replacement
- Digital Radio Antenna Cable Replacement
- Antenna Cable Replacement
- VES Overhead Console Replacement
- Radio Front Side Door Upper Speaker Replacement
- Radio Front Side Door Speaker Replacement
- Radio Rear Speaker Replacement
- Radio Rear Side Door Speaker Replacement
- 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
- Video Entertainment System Description and Operation
- OnStar Description and Operation
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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.