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Home >> Jeep >> 2021 >> Cherokee Altitude, FWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P0198 To P0601 >> 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 SIGNAL CIRCUIT
HIGH RESISTANCE IN THE SENSOR RETURN 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  .