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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> Body & Frame >> Windows >> Fixed & MOVEABLE Window Systems >> Diagnostic Information and Procedures >> DTC B3820 >> Circuit/System Description

Circuit/System Description

The body control module (BCM) energizes the control side of the left rear power window down relay upon receiving a GMLAN message from the driver door switch (DDS).

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