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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P204C: REDUCTANT Pressure Sensor Circuit Low

DTC P204C: REDUCTANT Pressure Sensor Circuit Low

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC P204C: REDUCTANT PRESSURE SENSOR CIRCUIT LOW

Description:  This DTC sets when the reductant pressure sensor voltage is greater than or less than a calibrated limit for a calibrated amount of time.
Possible Causes: 
  • RDP circuit open
  • RDP circuit short to ground
  • VREF circuit open
  • VREF circuit short to ground
  • Damaged reductant pressure sensor
Diagnostic Aids:  The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST RF .