Section 128 (Navigation Systems)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. 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 - Navigation System
- Diagnostic System Check - Navigation System
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B0004: Vehicle Movement Without Speed Signal
- DTC B2462: Global Positioning System (GPS) Signal Error
- Symptoms - Navigation Systems
- No Global Positioning System (GPS) Reception
- Navigation System - Vehicle Position Indicator Inoperative or Erratic
- Repair Instructions
- Description and Operation