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Home >> Cadillac >> 2000 >> DeVille DTS V8-4.6L VIN 9 >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Description and Operation >> System Operation >> General Information
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General Information

Each of the three body control modules integrate a number of functional systems under the control of a single module. Each of the modules is connected to the Class 2 serial data line; many control signals are implemented by Class 2 messages.
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