P21F0

P21F0 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P21F0 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short 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.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford P21F0 Fault Code Meaning :

Ford P21F0 Symptoms :

Ford P21F0 Reasons :

How To Fix Ford P21F0 Trouble Code ?

Which Ford cars have the code P21F0?

  • P21F0 Ford Aerostar
  • P21F0 Ford Bronco
  • P21F0 Ford C-Max
  • P21F0 Ford C-Max Energi
  • P21F0 Ford C-Max Hybrid
  • P21F0 Ford Contour
  • P21F0 Ford Crown Victoria
  • P21F0 Ford EcoSport
  • P21F0 Ford Econoline
  • P21F0 Ford Edge
  • P21F0 Ford Escape
  • P21F0 Ford Escape Hybrid
  • P21F0 Ford Escort
  • P21F0 Ford Everest
  • P21F0 Ford Excursion
  • P21F0 Ford Expedition
  • P21F0 Ford Explorer
  • P21F0 Ford Explorer Sport Trac
  • P21F0 Ford F-150
  • P21F0 Ford F-250
  • P21F0 Ford F-350
  • P21F0 Ford Fiesta
  • P21F0 Ford Flex
  • P21F0 Ford Focus
  • P21F0 Ford Focus Electric
  • P21F0 Ford Freestar
  • P21F0 Ford Freestyle
  • P21F0 Ford Fusion
  • P21F0 Ford Fusion Energi
  • P21F0 Ford Fusion Hybrid
  • P21F0 Ford Fusion Plug-In Hybrid
  • P21F0 Ford GT
  • P21F0 Ford Mustang
  • P21F0 Ford Mustang Mach-E
  • P21F0 Ford Mystique
  • P21F0 Ford Probe
  • P21F0 Ford Ranger
  • P21F0 Ford Taurus
  • P21F0 Ford Taurus X
  • P21F0 Ford Tempo
  • P21F0 Ford Thunderbird
  • P21F0 Ford Transit
  • P21F0 Ford Transit Connect
  • P21F0 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.