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Home >> Jeep >> 2020 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> Engine Performance >> System >> 6.2L - DTCS P0300 To P05DA >> 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
EXCESSIVE RESISTANCE IN THE ENGINE OIL PRESSURE SENSOR SIGNAL CIRCUIT
EXCESSIVE RESISTANCE IN THE SENSOR RETURN CIRCUIT
ENGINE OIL PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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