P21CD

P21CD Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P21CD Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 P21CD Fault Code Meaning :

Ford P21CD Symptoms :

Ford P21CD Reasons :

How To Fix Ford P21CD Trouble Code ?

Which Ford cars have the code P21CD?

  • P21CD Ford Aerostar
  • P21CD Ford Bronco
  • P21CD Ford C-Max
  • P21CD Ford C-Max Energi
  • P21CD Ford C-Max Hybrid
  • P21CD Ford Contour
  • P21CD Ford Crown Victoria
  • P21CD Ford EcoSport
  • P21CD Ford Econoline
  • P21CD Ford Edge
  • P21CD Ford Escape
  • P21CD Ford Escape Hybrid
  • P21CD Ford Escort
  • P21CD Ford Everest
  • P21CD Ford Excursion
  • P21CD Ford Expedition
  • P21CD Ford Explorer
  • P21CD Ford Explorer Sport Trac
  • P21CD Ford F-150
  • P21CD Ford F-250
  • P21CD Ford F-350
  • P21CD Ford Fiesta
  • P21CD Ford Flex
  • P21CD Ford Focus
  • P21CD Ford Focus Electric
  • P21CD Ford Freestar
  • P21CD Ford Freestyle
  • P21CD Ford Fusion
  • P21CD Ford Fusion Energi
  • P21CD Ford Fusion Hybrid
  • P21CD Ford Fusion Plug-In Hybrid
  • P21CD Ford GT
  • P21CD Ford Mustang
  • P21CD Ford Mustang Mach-E
  • P21CD Ford Mystique
  • P21CD Ford Probe
  • P21CD Ford Ranger
  • P21CD Ford Taurus
  • P21CD Ford Taurus X
  • P21CD Ford Tempo
  • P21CD Ford Thunderbird
  • P21CD Ford Transit
  • P21CD Ford Transit Connect
  • P21CD 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.