U3943

U3943 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3943 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short 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 End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford U3943 Fault Code Meaning :

Ford U3943 Symptoms :

Ford U3943 Reasons :

How To Fix Ford U3943 Trouble Code ?

Which Ford cars have the code U3943?

  • U3943 Ford Aerostar
  • U3943 Ford Bronco
  • U3943 Ford C-Max
  • U3943 Ford C-Max Energi
  • U3943 Ford C-Max Hybrid
  • U3943 Ford Contour
  • U3943 Ford Crown Victoria
  • U3943 Ford EcoSport
  • U3943 Ford Econoline
  • U3943 Ford Edge
  • U3943 Ford Escape
  • U3943 Ford Escape Hybrid
  • U3943 Ford Escort
  • U3943 Ford Everest
  • U3943 Ford Excursion
  • U3943 Ford Expedition
  • U3943 Ford Explorer
  • U3943 Ford Explorer Sport Trac
  • U3943 Ford F-150
  • U3943 Ford F-250
  • U3943 Ford F-350
  • U3943 Ford Fiesta
  • U3943 Ford Flex
  • U3943 Ford Focus
  • U3943 Ford Focus Electric
  • U3943 Ford Freestar
  • U3943 Ford Freestyle
  • U3943 Ford Fusion
  • U3943 Ford Fusion Energi
  • U3943 Ford Fusion Hybrid
  • U3943 Ford Fusion Plug-In Hybrid
  • U3943 Ford GT
  • U3943 Ford Mustang
  • U3943 Ford Mustang Mach-E
  • U3943 Ford Mystique
  • U3943 Ford Probe
  • U3943 Ford Ranger
  • U3943 Ford Taurus
  • U3943 Ford Taurus X
  • U3943 Ford Tempo
  • U3943 Ford Thunderbird
  • U3943 Ford Transit
  • U3943 Ford Transit Connect
  • U3943 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.