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Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 601 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> OnStar Call Center Remote Function Requests Inoperative >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2008 Saturn Outlook, 2008 GMC Acadia, and 2008 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

The vehicle communication interface module (VCIM) has the capability of commanding the horn, initiating door lock/unlock and operating the exterior lamps using the serial data circuits.

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