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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 424 (5.7L - DTCS B1810 To P0204 - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P018C-Fuel Pressure Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
FUEL RAIL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
FUEL RAIL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO THE FUEL RAIL PRESSURE SENSOR GROUND CIRCUIT
5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
FUEL RAIL PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .