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Home >> Jeep >> 2025 >> Compass Trailhawk >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P0506 To P052B >> DTC Troubleshooting >> P0521 Engine Oil Pressure Sensor Performance >> Possible Causes

Possible Causes

Possible Causes
ENGINE OIL/ENGINE MECHANICAL
5-VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND
HIGH RESISTANCE IN THE EOP SENSOR PRESSURE SENSOR SIGNAL CIRCUIT
HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT
ENGINE OIL PRESSURE (EOP) SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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