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P1389 Diagnostic Trouble Code Discussion for December 2014

No Auto Shutdown Relay Output Voltage To PCM

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Trouble Ticket Help Requests for DTC P1389
Help Request Posted
1996 Jeep Grand Cherokee Limited 5.2L No Start VIN: 1J4GZ78Y0T
P1389: No Auto Shutdown Relay Output Voltage To PCM. ... "no start" condition after another shop had replaced the ECM. After their replacement it died after running for an hour or so. They referred the customer to me. First thing I noticed was that there was no scanner communication, no gauges, etc. Cust...
December 18, 2014