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P1389 Diagnostic Trouble Code Discussion for May 2013

No Auto Shutdown Relay Output Voltage To PCM

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Trouble Ticket Help Requests for DTC P1389
Help Request Posted
1998 Dodge Ram 1500 ST 3.9L No Start VIN: 1B7HC16X7W
P1389: ASC circuit. ... stalled. Customer thought alternator was bad, so he installed reman. alt. and new battery. For whatever reason, he disconnected the alternator feed wire from underhood fuse box and the negative body ground wire from negative cable. Upon reassembly, he conn...
May 08, 2013