Reference Information
WARNING: This page is about a different car, the 2016 Chevrolet Trax and 2016 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
Schematic Reference
- OnStar/Telematics Schematics (Encore) OnStar/Telematics Schematics (Trax)
- Radio/Navigation System Schematics (Encore) Radio/Navigation System Schematics (Trax)
Connector End View Reference
COMPONENT CONNECTOR END VIEWS - INDEX (ENCORE)COMPONENT CONNECTOR END VIEWS - INDEX (TRAX)
Description and Operation
- OnStar Description and Operation
- Radio/Audio System Description and Operation (with Monochrome Display) Radio/Audio System Description and Operation (with Color Display)
Electrical Information Reference
- Circuit Testing
- Connector Repairs
- Testing for Intermittent Conditions and Poor Connections
- Wiring Repairs
Scan Tool Reference
Control Module References for scan tool information
Special Tools
EL-49903 OnStar Antenna Diagnostic Tool Kit