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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 350 (Gas - DTCS P0456 To P0571) >> P0521-Engine Oil Pressure Sensor Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
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. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  .