The bus communication system is what sends information to and from various control modules. For instance, it is used by the gauges to read and interpret signals from the PCM, which happens to be the problem you're having. Since you already replaced the PCM, I suspect the gauges or wiring to be faulty.
99 dakota no bus display in odometer ???
need help. did the research on this one and all pointed to pcm.
replaced pcm, still no bus. guages won't move check eng. light on.
engine spins over, no crank. any one have a fix that i can attempt?
i'll need a bus if i don't fix no bus.
replaced pcm, still no bus. guages won't move check eng. light on.
engine spins over, no crank. any one have a fix that i can attempt?
i'll need a bus if i don't fix no bus.
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