P521E

P521E Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P521E Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.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 P521E Fault Code Meaning :

Ford P521E Symptoms :

Ford P521E Reasons :

How To Fix Ford P521E Trouble Code ?

Which Ford cars have the code P521E?

  • P521E Ford Aerostar
  • P521E Ford Bronco
  • P521E Ford C-Max
  • P521E Ford C-Max Energi
  • P521E Ford C-Max Hybrid
  • P521E Ford Contour
  • P521E Ford Crown Victoria
  • P521E Ford EcoSport
  • P521E Ford Econoline
  • P521E Ford Edge
  • P521E Ford Escape
  • P521E Ford Escape Hybrid
  • P521E Ford Escort
  • P521E Ford Everest
  • P521E Ford Excursion
  • P521E Ford Expedition
  • P521E Ford Explorer
  • P521E Ford Explorer Sport Trac
  • P521E Ford F-150
  • P521E Ford F-250
  • P521E Ford F-350
  • P521E Ford Fiesta
  • P521E Ford Flex
  • P521E Ford Focus
  • P521E Ford Focus Electric
  • P521E Ford Freestar
  • P521E Ford Freestyle
  • P521E Ford Fusion
  • P521E Ford Fusion Energi
  • P521E Ford Fusion Hybrid
  • P521E Ford Fusion Plug-In Hybrid
  • P521E Ford GT
  • P521E Ford Mustang
  • P521E Ford Mustang Mach-E
  • P521E Ford Mystique
  • P521E Ford Probe
  • P521E Ford Ranger
  • P521E Ford Taurus
  • P521E Ford Taurus X
  • P521E Ford Tempo
  • P521E Ford Thunderbird
  • P521E Ford Transit
  • P521E Ford Transit Connect
  • P521E 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.