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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (6.7L Diesel - DTCS - P040D To P1191 - 3500 Cab & Chassis) >> Diagnosis and Testing >> P0521-Engine Oil Pressure Sensor Performance >> Code Description >> Possible Causes

Possible Causes

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Possible Causes 
ENGINE OIL PRESSURE SWITCH
ENGINE OIL PRESSURE SWITCH (G6) SIGNAL CIRCUIT OPEN
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L  .