Section 1288 (Cellular Communication System)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Cadillac Escalade EXT. 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 Starting Point - Cellular Communication
- Diagnostic System Check - Cellular Communication
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B2462
- DTC B2476
- DTC U1500
- OnStar Symptom Diagnosis
- Symptoms - Cellular Communication
- OnStar Always On
- OnStar One or More Buttons Inoperative
- OnStar Call Center Remote Function Requests Inoperative
- Unable to Contact OnStar Call Center
- OnStar Call Center Unable to Configure OnStar (R) System
- Microphone Inoperative - Caller Cannot Be Heard
- Voice Recognition Inoperative
- OnStar Button LED Inoperative
- No (or Noisy) OnStar Audio
- Global Positioning System (GPS) Data Not Current or Inaccurate
- OnStar Battery Consumption Test
- OnStar Reconfiguration
- Repair Instructions
- Coaxial Cable Replacement - Cellular Telephone
- Coaxial Cable Replacement - Global Positioning System (GPS)
- Antenna Replacement - Cellular Communications (Utility)
- Antenna Assembly Replacement - Cellular and Navigation
- Vehicle Locating Antenna Ground Plate Replacement
- Navigation Antenna Replacement
- OnStar Button Assembly Replacement (Utility)
- OnStar Vehicle Communication Unit (VCU) Replacement
- OnStar Vehicle Interface Unit (VIU) Replacement
- OnStar Microphone Replacement
- Description and Operation
- OnStar Description and Operation
- Notes
- OnStar® Button Assembly
- OnStar® Microphone
- Vehicle Interface Unit (VIU)
- Vehicle Communication Unit (VCU)
- Cellular and GPS 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
- OPC Features
- Voice Feedback
- OPC Security/System Lock
- Nametags
- Mobile Identification Number and Mobile Directory Number
- Operation of the OnStar® Speech Recognition Systems
- OnStar Description and Operation