Operation CHARM
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Dodge or Ram Truck
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1995
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RAM 3500 Van V8-360 5.9L Magnum
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Data Link Connector
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Description and Operation
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SCI Transmit
SCI Transmit
PURPOSE
The SCI receive circuit is used as a communication path for the scan tool. The PCM receives data from the scan tool through this circuit.