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P1389 Diagnostic Trouble Code Discussion for May 2011

No Auto Shutdown Relay Output Voltage To PCM


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Trouble Ticket Help Requests for DTC P1389
Help Request Posted
2000 Jeep Grand Cherokee Laredo 4.0L No Start, Poor Fuel Economy, MIL Lamp on VIN: 1J4G248S9Y
P1389: No Auto Shutdown Relay Output Voltage To PCM. after replacing crk sensor got OBD data responce again.Fuelpump hums no pressure,P-[...] up checked ASD relay its good.Ckecked wires for short in injector can't seen too get it.Unplug PCM to get numbers off it is that my problem.
May 02, 2011
2000 Jeep Grand Cherokee Laredo 4.0L No Start, Poor Fuel Economy, MIL Lamp on VIN: 1J4G248S9Y
P1389: No Auto Shutdown Relay Output Voltage To PCM. after replacing crk sensor got OBD data responce again.Fuelpump hums no pressure,P-[...] up checked ASD relay its good.Ckecked wires for short in injector can't seen too get it.Unplug PCM to get numbers off it is that my problem.
May 02, 2011