P40F0

P40F0 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P40F0 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 P40F0 Fault Code Meaning :

Ford P40F0 Symptoms :

Ford P40F0 Reasons :

How To Fix Ford P40F0 Trouble Code ?

Which Ford cars have the code P40F0?

  • P40F0 Ford Aerostar
  • P40F0 Ford Bronco
  • P40F0 Ford C-Max
  • P40F0 Ford C-Max Energi
  • P40F0 Ford C-Max Hybrid
  • P40F0 Ford Contour
  • P40F0 Ford Crown Victoria
  • P40F0 Ford EcoSport
  • P40F0 Ford Econoline
  • P40F0 Ford Edge
  • P40F0 Ford Escape
  • P40F0 Ford Escape Hybrid
  • P40F0 Ford Escort
  • P40F0 Ford Everest
  • P40F0 Ford Excursion
  • P40F0 Ford Expedition
  • P40F0 Ford Explorer
  • P40F0 Ford Explorer Sport Trac
  • P40F0 Ford F-150
  • P40F0 Ford F-250
  • P40F0 Ford F-350
  • P40F0 Ford Fiesta
  • P40F0 Ford Flex
  • P40F0 Ford Focus
  • P40F0 Ford Focus Electric
  • P40F0 Ford Freestar
  • P40F0 Ford Freestyle
  • P40F0 Ford Fusion
  • P40F0 Ford Fusion Energi
  • P40F0 Ford Fusion Hybrid
  • P40F0 Ford Fusion Plug-In Hybrid
  • P40F0 Ford GT
  • P40F0 Ford Mustang
  • P40F0 Ford Mustang Mach-E
  • P40F0 Ford Mystique
  • P40F0 Ford Probe
  • P40F0 Ford Ranger
  • P40F0 Ford Taurus
  • P40F0 Ford Taurus X
  • P40F0 Ford Tempo
  • P40F0 Ford Thunderbird
  • P40F0 Ford Transit
  • P40F0 Ford Transit Connect
  • P40F0 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.