RAM 3500 Truck 2WD L6-5.9L DSL Turbo VIN C (2003)
The following modules are used on this vehicle:
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Front Control Module
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Airbag Control Module
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Left Side Impact Airbag Control Module
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Right Side Impact Airbag Control Module
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Controller Antilock Brake
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A/C Heater Control Module
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Powertrain Control Module (gas and diesel)
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Engine Control Module (diesel only)
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Radio
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Amplifier (if equipped)
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Transmission Control Module
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Transfer Case Control Module (if equipped)
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Sentry Key Immobilizer Module
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Compass Mini-Trip Computer (if equipped)
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Electro/Mechanical Instrument Cluster
Each module provides its own bias and termination in order to transmit and receive messages. The bus voltage is at 0 volts when no modules are
transmitting and is pulled up to about 7 1/2 volts when modules are transmitting.
The bus messages are transmitted at a rate averaging 10800 bits per second. Since there is only voltage present when the modules transmit and the