P721D

P721D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P721D Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 P721D Fault Code Meaning :

Ford P721D Symptoms :

Ford P721D Reasons :

How To Fix Ford P721D Trouble Code ?

Which Ford cars have the code P721D?

  • P721D Ford Aerostar
  • P721D Ford Bronco
  • P721D Ford C-Max
  • P721D Ford C-Max Energi
  • P721D Ford C-Max Hybrid
  • P721D Ford Contour
  • P721D Ford Crown Victoria
  • P721D Ford EcoSport
  • P721D Ford Econoline
  • P721D Ford Edge
  • P721D Ford Escape
  • P721D Ford Escape Hybrid
  • P721D Ford Escort
  • P721D Ford Everest
  • P721D Ford Excursion
  • P721D Ford Expedition
  • P721D Ford Explorer
  • P721D Ford Explorer Sport Trac
  • P721D Ford F-150
  • P721D Ford F-250
  • P721D Ford F-350
  • P721D Ford Fiesta
  • P721D Ford Flex
  • P721D Ford Focus
  • P721D Ford Focus Electric
  • P721D Ford Freestar
  • P721D Ford Freestyle
  • P721D Ford Fusion
  • P721D Ford Fusion Energi
  • P721D Ford Fusion Hybrid
  • P721D Ford Fusion Plug-In Hybrid
  • P721D Ford GT
  • P721D Ford Mustang
  • P721D Ford Mustang Mach-E
  • P721D Ford Mystique
  • P721D Ford Probe
  • P721D Ford Ranger
  • P721D Ford Taurus
  • P721D Ford Taurus X
  • P721D Ford Tempo
  • P721D Ford Thunderbird
  • P721D Ford Transit
  • P721D Ford Transit Connect
  • P721D 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.