U3446

U3446 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3446 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 FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford U3446 Fault Code Meaning :

Ford U3446 Symptoms :

Ford U3446 Reasons :

How To Fix Ford U3446 Trouble Code ?

Which Ford cars have the code U3446?

  • U3446 Ford Aerostar
  • U3446 Ford Bronco
  • U3446 Ford C-Max
  • U3446 Ford C-Max Energi
  • U3446 Ford C-Max Hybrid
  • U3446 Ford Contour
  • U3446 Ford Crown Victoria
  • U3446 Ford EcoSport
  • U3446 Ford Econoline
  • U3446 Ford Edge
  • U3446 Ford Escape
  • U3446 Ford Escape Hybrid
  • U3446 Ford Escort
  • U3446 Ford Everest
  • U3446 Ford Excursion
  • U3446 Ford Expedition
  • U3446 Ford Explorer
  • U3446 Ford Explorer Sport Trac
  • U3446 Ford F-150
  • U3446 Ford F-250
  • U3446 Ford F-350
  • U3446 Ford Fiesta
  • U3446 Ford Flex
  • U3446 Ford Focus
  • U3446 Ford Focus Electric
  • U3446 Ford Freestar
  • U3446 Ford Freestyle
  • U3446 Ford Fusion
  • U3446 Ford Fusion Energi
  • U3446 Ford Fusion Hybrid
  • U3446 Ford Fusion Plug-In Hybrid
  • U3446 Ford GT
  • U3446 Ford Mustang
  • U3446 Ford Mustang Mach-E
  • U3446 Ford Mystique
  • U3446 Ford Probe
  • U3446 Ford Ranger
  • U3446 Ford Taurus
  • U3446 Ford Taurus X
  • U3446 Ford Tempo
  • U3446 Ford Thunderbird
  • U3446 Ford Transit
  • U3446 Ford Transit Connect
  • U3446 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.