P21E9

P21E9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P21E9 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P21E9 Fault Code Meaning :

Ford P21E9 Symptoms :

Ford P21E9 Reasons :

How To Fix Ford P21E9 Trouble Code ?

Which Ford cars have the code P21E9?

  • P21E9 Ford Aerostar
  • P21E9 Ford Bronco
  • P21E9 Ford C-Max
  • P21E9 Ford C-Max Energi
  • P21E9 Ford C-Max Hybrid
  • P21E9 Ford Contour
  • P21E9 Ford Crown Victoria
  • P21E9 Ford EcoSport
  • P21E9 Ford Econoline
  • P21E9 Ford Edge
  • P21E9 Ford Escape
  • P21E9 Ford Escape Hybrid
  • P21E9 Ford Escort
  • P21E9 Ford Everest
  • P21E9 Ford Excursion
  • P21E9 Ford Expedition
  • P21E9 Ford Explorer
  • P21E9 Ford Explorer Sport Trac
  • P21E9 Ford F-150
  • P21E9 Ford F-250
  • P21E9 Ford F-350
  • P21E9 Ford Fiesta
  • P21E9 Ford Flex
  • P21E9 Ford Focus
  • P21E9 Ford Focus Electric
  • P21E9 Ford Freestar
  • P21E9 Ford Freestyle
  • P21E9 Ford Fusion
  • P21E9 Ford Fusion Energi
  • P21E9 Ford Fusion Hybrid
  • P21E9 Ford Fusion Plug-In Hybrid
  • P21E9 Ford GT
  • P21E9 Ford Mustang
  • P21E9 Ford Mustang Mach-E
  • P21E9 Ford Mystique
  • P21E9 Ford Probe
  • P21E9 Ford Ranger
  • P21E9 Ford Taurus
  • P21E9 Ford Taurus X
  • P21E9 Ford Tempo
  • P21E9 Ford Thunderbird
  • P21E9 Ford Transit
  • P21E9 Ford Transit Connect
  • P21E9 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.