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No crank,gagues,spark,5v power signal,fuel pump,PRNDL don't show. All relays&fuses good.Can anyone HELP? 04 Ram5.7
04 Ram 5.7 Happened all of a sudden, truck ran ok before. My son said try your other key, it started right up. That lasted 2-3 days then same thing, niether key works now. Also, no response from the data link says "waiting for response".
If I jump the starter relay it cranks. If I jump the fuel pump it runs. All grounds from the four 38 pin connectors to the PCM are good, just no 5 volt signal to sensors. Full tank of gas but low fuel light is on, also the airbag light. Headlights work, radio, cd, dash lights door locks, power windows,power seats. I'm thinking it is the PCM but would like to be sure before I go through that expence. Any help in finding my problem would be GREATLY appreciated.
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