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Home >> Jeep >> 2022 >> Grand Cherokee Summit 4xe >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P012D To P0193 >> DTC Troubleshooting >> P018D-Fuel Pressure Sensor Circuit High >> Possible Causes

Possible Causes

Possible Causes
FUEL PRESSURE SENSOR PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
FUEL PRESSURE SENSOR PRESSURE SIGNAL CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT
FUEL PRESSURE SENSOR PRESSURE SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
FUEL PRESSURE SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
FUEL PRESSURE/TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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