U3944

U3944 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3944 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford U3944 Fault Code Meaning :

Ford U3944 Symptoms :

Ford U3944 Reasons :

How To Fix Ford U3944 Trouble Code ?

Which Ford cars have the code U3944?

  • U3944 Ford Aerostar
  • U3944 Ford Bronco
  • U3944 Ford C-Max
  • U3944 Ford C-Max Energi
  • U3944 Ford C-Max Hybrid
  • U3944 Ford Contour
  • U3944 Ford Crown Victoria
  • U3944 Ford EcoSport
  • U3944 Ford Econoline
  • U3944 Ford Edge
  • U3944 Ford Escape
  • U3944 Ford Escape Hybrid
  • U3944 Ford Escort
  • U3944 Ford Everest
  • U3944 Ford Excursion
  • U3944 Ford Expedition
  • U3944 Ford Explorer
  • U3944 Ford Explorer Sport Trac
  • U3944 Ford F-150
  • U3944 Ford F-250
  • U3944 Ford F-350
  • U3944 Ford Fiesta
  • U3944 Ford Flex
  • U3944 Ford Focus
  • U3944 Ford Focus Electric
  • U3944 Ford Freestar
  • U3944 Ford Freestyle
  • U3944 Ford Fusion
  • U3944 Ford Fusion Energi
  • U3944 Ford Fusion Hybrid
  • U3944 Ford Fusion Plug-In Hybrid
  • U3944 Ford GT
  • U3944 Ford Mustang
  • U3944 Ford Mustang Mach-E
  • U3944 Ford Mystique
  • U3944 Ford Probe
  • U3944 Ford Ranger
  • U3944 Ford Taurus
  • U3944 Ford Taurus X
  • U3944 Ford Tempo
  • U3944 Ford Thunderbird
  • U3944 Ford Transit
  • U3944 Ford Transit Connect
  • U3944 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.