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.
2006 Chevrolet Uplander BaseFACTORY OEM SERVICE PROCEDURE
Section 84 (Cellular Communication Systems)
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Cellular Communication
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B1001 - Option Configuration Error
- DTC B2455 - Cellular Phone Microphone Circuit Malfunction
- DTC B2470 - Cellular Phone Antenna Circuit Malfunction
- DTC B2476 - Cellular Phone Select Service Switch Malfunction (3 button assembly)
- DTC B2482 - Cellular Phone Select Switch Range/Performance
- DTC B2483 or B2484 - MULTIPLE VALUES
- DTC U1500 - Inter-Device Dedicated Bus Malfunction
- OnStar Symptom Diagnosis
- Symptoms - Cellular Communication
- OnStar One or More Buttons Inoperative
- OnStar Call Center Remote Function Requests Inoperative
- Unable to Contact OnStar Call Center
- Microphone Inoperative - Caller Cannot Be Heard
- Voice Recognition Inoperative
- OnStar Steering Wheel Control Functions Inoperative
- OnStar Button LED Inoperative
- No (or Noisy) OnStar Audio
- Global Positioning System (GPS) Data Not Current or Inaccurate
- OnStar Reconfiguration
- Repair Instructions
- Coaxial Cable Replacement - Cellular Telephone (Body Cable)
- Coaxial Cable Replacement - Cellular Telephone (Instrument Panel Extension)
- Coaxial Cable Replacement - Global Positioning System (GPS) (Instrument Panel Extension Cable)
- Antenna Replacement - Cellular Communications
- Antenna Replacement - Cellular Communications/Digital Radio
- Mobile Telephone Digital Antenna Replacement
- Navigation Antenna Replacement
- Bracket Replacement - Vehicle Location Antenna Module
- Communication Interface Module 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
- OnStar Description and Operation
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.