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Home >> Cadillac >> 2009 >> XLR Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Description and Operation >> Body Control System Description and Operation >> Gateway

Body Control System Description and Operation: Gateway

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The body control module (BCM) is the gateway between class 2 serial data circuit and high speed GMLAN serial data circuit. The purpose of the gateway is to transfer serial data messages from one subnet to another.