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Home >> Jeep >> 2019 >> Grand Cherokee Trackhawk >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 6.2L - DTCS P0139 To P0440 >> DTC Troubleshooting >> P025A-Fuel Pump Module Control Circuit Open >> Possible Causes

Possible Causes

Possible Causes
FPCM PWM CONTROL CIRCUIT OPEN/HIGH RESISTANCE
FPCM PWM CONTROL CIRCUIT SHORTED TO GROUND
FPCM PWM CONTROL CIRCUIT SHORTED TO VOLTAGE
FUEL PUMP CONTROL MODULE
POWERTRAIN CONTROL MODULE

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