P0446

P0446 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0446 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 P0446 Fault Code Meaning :

Ford P0446 Symptoms :

Ford P0446 Reasons :

How To Fix Ford P0446 Trouble Code ?

Which Ford cars have the code P0446?

  • P0446 Ford Aerostar
  • P0446 Ford Bronco
  • P0446 Ford C-Max
  • P0446 Ford C-Max Energi
  • P0446 Ford C-Max Hybrid
  • P0446 Ford Contour
  • P0446 Ford Crown Victoria
  • P0446 Ford EcoSport
  • P0446 Ford Econoline
  • P0446 Ford Edge
  • P0446 Ford Escape
  • P0446 Ford Escape Hybrid
  • P0446 Ford Escort
  • P0446 Ford Everest
  • P0446 Ford Excursion
  • P0446 Ford Expedition
  • P0446 Ford Explorer
  • P0446 Ford Explorer Sport Trac
  • P0446 Ford F-150
  • P0446 Ford F-250
  • P0446 Ford F-350
  • P0446 Ford Fiesta
  • P0446 Ford Flex
  • P0446 Ford Focus
  • P0446 Ford Focus Electric
  • P0446 Ford Freestar
  • P0446 Ford Freestyle
  • P0446 Ford Fusion
  • P0446 Ford Fusion Energi
  • P0446 Ford Fusion Hybrid
  • P0446 Ford Fusion Plug-In Hybrid
  • P0446 Ford GT
  • P0446 Ford Mustang
  • P0446 Ford Mustang Mach-E
  • P0446 Ford Mystique
  • P0446 Ford Probe
  • P0446 Ford Ranger
  • P0446 Ford Taurus
  • P0446 Ford Taurus X
  • P0446 Ford Tempo
  • P0446 Ford Thunderbird
  • P0446 Ford Transit
  • P0446 Ford Transit Connect
  • P0446 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.