P8E21

P8E21 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P8E21 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P8E21 Fault Code Meaning :

Ford P8E21 Symptoms :

Ford P8E21 Reasons :

How To Fix Ford P8E21 Trouble Code ?

Which Ford cars have the code P8E21?

  • P8E21 Ford Aerostar
  • P8E21 Ford Bronco
  • P8E21 Ford C-Max
  • P8E21 Ford C-Max Energi
  • P8E21 Ford C-Max Hybrid
  • P8E21 Ford Contour
  • P8E21 Ford Crown Victoria
  • P8E21 Ford EcoSport
  • P8E21 Ford Econoline
  • P8E21 Ford Edge
  • P8E21 Ford Escape
  • P8E21 Ford Escape Hybrid
  • P8E21 Ford Escort
  • P8E21 Ford Everest
  • P8E21 Ford Excursion
  • P8E21 Ford Expedition
  • P8E21 Ford Explorer
  • P8E21 Ford Explorer Sport Trac
  • P8E21 Ford F-150
  • P8E21 Ford F-250
  • P8E21 Ford F-350
  • P8E21 Ford Fiesta
  • P8E21 Ford Flex
  • P8E21 Ford Focus
  • P8E21 Ford Focus Electric
  • P8E21 Ford Freestar
  • P8E21 Ford Freestyle
  • P8E21 Ford Fusion
  • P8E21 Ford Fusion Energi
  • P8E21 Ford Fusion Hybrid
  • P8E21 Ford Fusion Plug-In Hybrid
  • P8E21 Ford GT
  • P8E21 Ford Mustang
  • P8E21 Ford Mustang Mach-E
  • P8E21 Ford Mystique
  • P8E21 Ford Probe
  • P8E21 Ford Ranger
  • P8E21 Ford Taurus
  • P8E21 Ford Taurus X
  • P8E21 Ford Tempo
  • P8E21 Ford Thunderbird
  • P8E21 Ford Transit
  • P8E21 Ford Transit Connect
  • P8E21 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.