U3401

U3401 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3401 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford U3401 Fault Code Meaning :

Ford U3401 Symptoms :

Ford U3401 Reasons :

How To Fix Ford U3401 Trouble Code ?

Which Ford cars have the code U3401?

  • U3401 Ford Aerostar
  • U3401 Ford Bronco
  • U3401 Ford C-Max
  • U3401 Ford C-Max Energi
  • U3401 Ford C-Max Hybrid
  • U3401 Ford Contour
  • U3401 Ford Crown Victoria
  • U3401 Ford EcoSport
  • U3401 Ford Econoline
  • U3401 Ford Edge
  • U3401 Ford Escape
  • U3401 Ford Escape Hybrid
  • U3401 Ford Escort
  • U3401 Ford Everest
  • U3401 Ford Excursion
  • U3401 Ford Expedition
  • U3401 Ford Explorer
  • U3401 Ford Explorer Sport Trac
  • U3401 Ford F-150
  • U3401 Ford F-250
  • U3401 Ford F-350
  • U3401 Ford Fiesta
  • U3401 Ford Flex
  • U3401 Ford Focus
  • U3401 Ford Focus Electric
  • U3401 Ford Freestar
  • U3401 Ford Freestyle
  • U3401 Ford Fusion
  • U3401 Ford Fusion Energi
  • U3401 Ford Fusion Hybrid
  • U3401 Ford Fusion Plug-In Hybrid
  • U3401 Ford GT
  • U3401 Ford Mustang
  • U3401 Ford Mustang Mach-E
  • U3401 Ford Mystique
  • U3401 Ford Probe
  • U3401 Ford Ranger
  • U3401 Ford Taurus
  • U3401 Ford Taurus X
  • U3401 Ford Tempo
  • U3401 Ford Thunderbird
  • U3401 Ford Transit
  • U3401 Ford Transit Connect
  • U3401 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.