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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Fixed And MOVEABLE Window System) >> Diagnostic Information and Procedures >> DTC B3205 or B3210: Window Motor >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

The body control module (BCM) monitors, receives and transmits serial data messages to the driver and passenger window motors. When a window switch has been activated on the driver window switch, a signal is sent to the BCM which sends a signal to the appropriate window motor and the window motor will move in the direction commanded.

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