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P1388 Diagnostic Trouble Code Discussion for August 2009

Auto Shutdown Relay Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1388
Help Request Posted
1999 Jeep Grand Cherokee Laredo 4.0L No Start, ASD RELAY BUZZES VIN: 1J4GW58S9X
P1388: Auto Shutdown Relay Control Circuit Malfunction. replaced pcm =same problem occurs. the asd relay buzzes when key is turned on, the electric cooling fan runs. cranks but will not start.
August 14, 2009