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International Automotive Technicians Network
Re: 99 Dodge Cummins ECM/PCM
Posted to Technical Discussion Forum on 4/14/2005

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This is the source of my confusion, I'm used to one module on the SCI,(PCM) with all others on the CCD BUSS. This thing has an ECM bolted to the side of the motor, and a PCM on the firewall. Both shar... Login to read more.