C0446

C0446 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0446 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open 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 C0446 Fault Code Meaning :

Ford C0446 Symptoms :

Ford C0446 Reasons :

How To Fix Ford C0446 Trouble Code ?

Which Ford cars have the code C0446?

  • C0446 Ford Aerostar
  • C0446 Ford Bronco
  • C0446 Ford C-Max
  • C0446 Ford C-Max Energi
  • C0446 Ford C-Max Hybrid
  • C0446 Ford Contour
  • C0446 Ford Crown Victoria
  • C0446 Ford EcoSport
  • C0446 Ford Econoline
  • C0446 Ford Edge
  • C0446 Ford Escape
  • C0446 Ford Escape Hybrid
  • C0446 Ford Escort
  • C0446 Ford Everest
  • C0446 Ford Excursion
  • C0446 Ford Expedition
  • C0446 Ford Explorer
  • C0446 Ford Explorer Sport Trac
  • C0446 Ford F-150
  • C0446 Ford F-250
  • C0446 Ford F-350
  • C0446 Ford Fiesta
  • C0446 Ford Flex
  • C0446 Ford Focus
  • C0446 Ford Focus Electric
  • C0446 Ford Freestar
  • C0446 Ford Freestyle
  • C0446 Ford Fusion
  • C0446 Ford Fusion Energi
  • C0446 Ford Fusion Hybrid
  • C0446 Ford Fusion Plug-In Hybrid
  • C0446 Ford GT
  • C0446 Ford Mustang
  • C0446 Ford Mustang Mach-E
  • C0446 Ford Mystique
  • C0446 Ford Probe
  • C0446 Ford Ranger
  • C0446 Ford Taurus
  • C0446 Ford Taurus X
  • C0446 Ford Tempo
  • C0446 Ford Thunderbird
  • C0446 Ford Transit
  • C0446 Ford Transit Connect
  • C0446 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.