U3905

U3905 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3905 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 U3905 Fault Code Meaning :

Ford U3905 Symptoms :

Ford U3905 Reasons :

How To Fix Ford U3905 Trouble Code ?

Which Ford cars have the code U3905?

  • U3905 Ford Aerostar
  • U3905 Ford Bronco
  • U3905 Ford C-Max
  • U3905 Ford C-Max Energi
  • U3905 Ford C-Max Hybrid
  • U3905 Ford Contour
  • U3905 Ford Crown Victoria
  • U3905 Ford EcoSport
  • U3905 Ford Econoline
  • U3905 Ford Edge
  • U3905 Ford Escape
  • U3905 Ford Escape Hybrid
  • U3905 Ford Escort
  • U3905 Ford Everest
  • U3905 Ford Excursion
  • U3905 Ford Expedition
  • U3905 Ford Explorer
  • U3905 Ford Explorer Sport Trac
  • U3905 Ford F-150
  • U3905 Ford F-250
  • U3905 Ford F-350
  • U3905 Ford Fiesta
  • U3905 Ford Flex
  • U3905 Ford Focus
  • U3905 Ford Focus Electric
  • U3905 Ford Freestar
  • U3905 Ford Freestyle
  • U3905 Ford Fusion
  • U3905 Ford Fusion Energi
  • U3905 Ford Fusion Hybrid
  • U3905 Ford Fusion Plug-In Hybrid
  • U3905 Ford GT
  • U3905 Ford Mustang
  • U3905 Ford Mustang Mach-E
  • U3905 Ford Mystique
  • U3905 Ford Probe
  • U3905 Ford Ranger
  • U3905 Ford Taurus
  • U3905 Ford Taurus X
  • U3905 Ford Tempo
  • U3905 Ford Thunderbird
  • U3905 Ford Transit
  • U3905 Ford Transit Connect
  • U3905 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.