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Chevy Truck
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2003
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C 2500 Truck 2WD V8-6.6L DSL Turbo VIN 1
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Body Control Module
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Description and Operation
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Power Mode Master Module (PMM)
Power Mode Master Module (PMM)
On vehicles that have several control modules connected by serial data circuits, one module is the Power Mode Master (PMM). On this vehicle the PMM is the Body Control Module (BCM).