P921C

P921C Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P921C Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P921C Fault Code Meaning :

Ford P921C Symptoms :

Ford P921C Reasons :

How To Fix Ford P921C Trouble Code ?

Which Ford cars have the code P921C?

  • P921C Ford Aerostar
  • P921C Ford Bronco
  • P921C Ford C-Max
  • P921C Ford C-Max Energi
  • P921C Ford C-Max Hybrid
  • P921C Ford Contour
  • P921C Ford Crown Victoria
  • P921C Ford EcoSport
  • P921C Ford Econoline
  • P921C Ford Edge
  • P921C Ford Escape
  • P921C Ford Escape Hybrid
  • P921C Ford Escort
  • P921C Ford Everest
  • P921C Ford Excursion
  • P921C Ford Expedition
  • P921C Ford Explorer
  • P921C Ford Explorer Sport Trac
  • P921C Ford F-150
  • P921C Ford F-250
  • P921C Ford F-350
  • P921C Ford Fiesta
  • P921C Ford Flex
  • P921C Ford Focus
  • P921C Ford Focus Electric
  • P921C Ford Freestar
  • P921C Ford Freestyle
  • P921C Ford Fusion
  • P921C Ford Fusion Energi
  • P921C Ford Fusion Hybrid
  • P921C Ford Fusion Plug-In Hybrid
  • P921C Ford GT
  • P921C Ford Mustang
  • P921C Ford Mustang Mach-E
  • P921C Ford Mystique
  • P921C Ford Probe
  • P921C Ford Ranger
  • P921C Ford Taurus
  • P921C Ford Taurus X
  • P921C Ford Tempo
  • P921C Ford Thunderbird
  • P921C Ford Transit
  • P921C Ford Transit Connect
  • P921C Ford Windstar

A code is a fault code and it indicates that something has gone wrong with your car's engine.

It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.

You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.

A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.