P821F

P821F Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P821F Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P821F Fault Code Meaning :

Ford P821F Symptoms :

Ford P821F Reasons :

How To Fix Ford P821F Trouble Code ?

Which Ford cars have the code P821F?

  • P821F Ford Aerostar
  • P821F Ford Bronco
  • P821F Ford C-Max
  • P821F Ford C-Max Energi
  • P821F Ford C-Max Hybrid
  • P821F Ford Contour
  • P821F Ford Crown Victoria
  • P821F Ford EcoSport
  • P821F Ford Econoline
  • P821F Ford Edge
  • P821F Ford Escape
  • P821F Ford Escape Hybrid
  • P821F Ford Escort
  • P821F Ford Everest
  • P821F Ford Excursion
  • P821F Ford Expedition
  • P821F Ford Explorer
  • P821F Ford Explorer Sport Trac
  • P821F Ford F-150
  • P821F Ford F-250
  • P821F Ford F-350
  • P821F Ford Fiesta
  • P821F Ford Flex
  • P821F Ford Focus
  • P821F Ford Focus Electric
  • P821F Ford Freestar
  • P821F Ford Freestyle
  • P821F Ford Fusion
  • P821F Ford Fusion Energi
  • P821F Ford Fusion Hybrid
  • P821F Ford Fusion Plug-In Hybrid
  • P821F Ford GT
  • P821F Ford Mustang
  • P821F Ford Mustang Mach-E
  • P821F Ford Mystique
  • P821F Ford Probe
  • P821F Ford Ranger
  • P821F Ford Taurus
  • P821F Ford Taurus X
  • P821F Ford Tempo
  • P821F Ford Thunderbird
  • P821F Ford Transit
  • P821F Ford Transit Connect
  • P821F 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.