Engine was running the stopped. Fuel Pump stopped running. Pump Is okay
jumped the relay contacts and it ran. Am getting positive voltage to relays but
not getting negative side from the PCM. Checked all fuses and all are good.
Getting a code no buss and no comunication to PCM. 5.9 engine service
01 Dodge Ram 2500 5.9 engine NO START. Gauges are inoperative. No BUS message displayed on odometer. You have a short from one your engine control sensors. possibilities are 1. CKP 2.CPS 3.TPS 4. MAP 5. governor pressure switch. Before you diagnose further you will need a digital multimeter also known as volt/ohm meter.
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