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Home >> Chrysler >> 2007 >> Pacifica Base, 3.8 L >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0573 To P0643 >> P0627-Fuel Pump Control Circuit-Open >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
INTERNAL FUSED B(+) CIRCUIT OPEN OR HIGH RESISTANCE
INTERNAL FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN OR HIGH RESISTANCE
(K31) FUEL PUMP RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
(K31) FUEL PUMP RELAY CONTROL CIRCUIT SHORTED TO GROUND
(K31) FUEL PUMP RELAY CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
FUEL PUMP RELAY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .