P8C21

P8C21 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P8C21 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford P8C21 Fault Code Meaning :

Ford P8C21 Symptoms :

Ford P8C21 Reasons :

How To Fix Ford P8C21 Trouble Code ?

Which Ford cars have the code P8C21?

  • P8C21 Ford Aerostar
  • P8C21 Ford Bronco
  • P8C21 Ford C-Max
  • P8C21 Ford C-Max Energi
  • P8C21 Ford C-Max Hybrid
  • P8C21 Ford Contour
  • P8C21 Ford Crown Victoria
  • P8C21 Ford EcoSport
  • P8C21 Ford Econoline
  • P8C21 Ford Edge
  • P8C21 Ford Escape
  • P8C21 Ford Escape Hybrid
  • P8C21 Ford Escort
  • P8C21 Ford Everest
  • P8C21 Ford Excursion
  • P8C21 Ford Expedition
  • P8C21 Ford Explorer
  • P8C21 Ford Explorer Sport Trac
  • P8C21 Ford F-150
  • P8C21 Ford F-250
  • P8C21 Ford F-350
  • P8C21 Ford Fiesta
  • P8C21 Ford Flex
  • P8C21 Ford Focus
  • P8C21 Ford Focus Electric
  • P8C21 Ford Freestar
  • P8C21 Ford Freestyle
  • P8C21 Ford Fusion
  • P8C21 Ford Fusion Energi
  • P8C21 Ford Fusion Hybrid
  • P8C21 Ford Fusion Plug-In Hybrid
  • P8C21 Ford GT
  • P8C21 Ford Mustang
  • P8C21 Ford Mustang Mach-E
  • P8C21 Ford Mystique
  • P8C21 Ford Probe
  • P8C21 Ford Ranger
  • P8C21 Ford Taurus
  • P8C21 Ford Taurus X
  • P8C21 Ford Tempo
  • P8C21 Ford Thunderbird
  • P8C21 Ford Transit
  • P8C21 Ford Transit Connect
  • P8C21 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.