SYMPTOM
P1388-AUTO SHUTDOWN RELAY CONTROL CIRCUIT
WHEN MONITORED
With ignition ON. Battery voltage above 10 volts.
SET CONDITION
An open or shorted condition is detected in the ASD relay control circuit.
POSSIBLE CAUSES
ASD relay intermittent operation
Intermittent condition
Fused B+ output circuit
ASD relay
IPM fuse & relay center
ASD relay control circuit open
ASD relay control circuit short to ground
PCM
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Wednesday, January 30th, 2013 AT 11:48 PM