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Home >> Chrysler >> 2007 >> 300 Base >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0457 To P0563 >> P0521-Engine Oil Pressure Sensor Performance >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
ENGINE OIL/ENGINE MECHANICAL CONDITION
(G6) EOP SIGNAL CIRCUIT SHORTED TO VOLTAGE
(G6) EOP SIGNAL CIRCUIT SHORTED TO GROUND
(G6) EOP SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT
(F855) 5 VOLT SUPPLY CIRCUIT HIGH RESISTANCE
(G6) EOP SIGNAL CIRCUIT HIGH RESISTANCE
(K900) SENSOR GROUND CIRCUIT HIGH RESISTANCE
ENGINE OIL PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to *PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .