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)

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX (ENCORE)COMPONENT CONNECTOR END VIEWS - INDEX (TRAX)

Description and Operation

OnStar Description and Operation

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