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Home >> Chevrolet >> 2013 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 188 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> OnStar Button LED Malfunction (with DRC or DRG) >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.

The OnStar® error indicator is internal to the inside rearview mirror. The Red error indicator is illuminated when a system malfunction is present. If no error indicator is seen on the mirror the system is ON and operating normally. In the event there is a system malfunction and the OnStar® system is still able to make a call, the indicator will flash red during the call. The OnStar® error indicator is controlled internally by the inside rearview mirror via serial data from the telematics communication interface control module.

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