Section 652 (Cellular Communication System)
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic & Routing Diagrams
- Component Locator
- Diagnostic Information & 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: VIU Does Not Detect A Navigation Signal
- DTC B2476: Keypad Signal Circuit Voltage To VIU Is Low
- DTC U1500: VIU To VCU Communication Error
- OnStar® Symptom Diagnosis
- Symptoms - Cellular Communication
- OnStar® Always On
- OnStar® One Or More Buttons Inoperative
- Unable To Contact OnStar® Call Center
- OnStar® Call Center Unable To Configure OnStar® 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® Reprogramming
- Repair Instructions
- Coaxial Cable Replacement - Cellular Telephone
- Coaxial Cable Replacement - Global Positioning System (GPS)
- OnStar® Cellular Antenna Replacement
- Antenna Assembly Replacement - Cellular & Navigation
- Vehicle Locating Antenna Ground Plate Replacement
- Navigation Antenna Replacement
- OnStar® Button Assembly Replacement (Pickup)
- OnStar® Vehicle Communication Unit (VCU) Replacement
- OnStar® Vehicle Interface Unit (VIU) Replacement
- OnStar® Microphone Replacement
- Description & Operation