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Home >> Jeep >> 2019 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> Engine Performance >> System >> 6.2L - DTCS P0139 To P0440 >> DTC Troubleshooting >> P018C-Fuel Pressure Sensor Circuit Low >> Possible Causes

Possible Causes

Possible Causes
FUEL RAIL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
FUEL RAIL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO THE FUEL RAIL PRESSURE SENSOR GROUND CIRCUIT
FUEL RAIL PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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