U3743

U3743 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3743 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 top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford U3743 Fault Code Meaning :

Ford U3743 Symptoms :

Ford U3743 Reasons :

How To Fix Ford U3743 Trouble Code ?

Which Ford cars have the code U3743?

  • U3743 Ford Aerostar
  • U3743 Ford Bronco
  • U3743 Ford C-Max
  • U3743 Ford C-Max Energi
  • U3743 Ford C-Max Hybrid
  • U3743 Ford Contour
  • U3743 Ford Crown Victoria
  • U3743 Ford EcoSport
  • U3743 Ford Econoline
  • U3743 Ford Edge
  • U3743 Ford Escape
  • U3743 Ford Escape Hybrid
  • U3743 Ford Escort
  • U3743 Ford Everest
  • U3743 Ford Excursion
  • U3743 Ford Expedition
  • U3743 Ford Explorer
  • U3743 Ford Explorer Sport Trac
  • U3743 Ford F-150
  • U3743 Ford F-250
  • U3743 Ford F-350
  • U3743 Ford Fiesta
  • U3743 Ford Flex
  • U3743 Ford Focus
  • U3743 Ford Focus Electric
  • U3743 Ford Freestar
  • U3743 Ford Freestyle
  • U3743 Ford Fusion
  • U3743 Ford Fusion Energi
  • U3743 Ford Fusion Hybrid
  • U3743 Ford Fusion Plug-In Hybrid
  • U3743 Ford GT
  • U3743 Ford Mustang
  • U3743 Ford Mustang Mach-E
  • U3743 Ford Mystique
  • U3743 Ford Probe
  • U3743 Ford Ranger
  • U3743 Ford Taurus
  • U3743 Ford Taurus X
  • U3743 Ford Tempo
  • U3743 Ford Thunderbird
  • U3743 Ford Transit
  • U3743 Ford Transit Connect
  • U3743 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.