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Home >> Chrysler >> 2019 >> Pacifica LX, Gas >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0617 To P1128 >> DTC Troubleshooting >> P0629-Fuel Pump Control Circuit High >> Possible Causes

Possible Causes

Possible Causes
FUEL PUMP PWM CONTROL CIRCUIT SHORTED TO VOLTAGE
FUEL PUMP RETURN CIRCUIT SHORTED TO VOLTAGE
FUEL PRESSURE CONTROL MODULE (FPCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .