U3863

U3863 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3863 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.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 U3863 Fault Code Meaning :

Ford U3863 Symptoms :

Ford U3863 Reasons :

How To Fix Ford U3863 Trouble Code ?

Which Ford cars have the code U3863?

  • U3863 Ford Aerostar
  • U3863 Ford Bronco
  • U3863 Ford C-Max
  • U3863 Ford C-Max Energi
  • U3863 Ford C-Max Hybrid
  • U3863 Ford Contour
  • U3863 Ford Crown Victoria
  • U3863 Ford EcoSport
  • U3863 Ford Econoline
  • U3863 Ford Edge
  • U3863 Ford Escape
  • U3863 Ford Escape Hybrid
  • U3863 Ford Escort
  • U3863 Ford Everest
  • U3863 Ford Excursion
  • U3863 Ford Expedition
  • U3863 Ford Explorer
  • U3863 Ford Explorer Sport Trac
  • U3863 Ford F-150
  • U3863 Ford F-250
  • U3863 Ford F-350
  • U3863 Ford Fiesta
  • U3863 Ford Flex
  • U3863 Ford Focus
  • U3863 Ford Focus Electric
  • U3863 Ford Freestar
  • U3863 Ford Freestyle
  • U3863 Ford Fusion
  • U3863 Ford Fusion Energi
  • U3863 Ford Fusion Hybrid
  • U3863 Ford Fusion Plug-In Hybrid
  • U3863 Ford GT
  • U3863 Ford Mustang
  • U3863 Ford Mustang Mach-E
  • U3863 Ford Mystique
  • U3863 Ford Probe
  • U3863 Ford Ranger
  • U3863 Ford Taurus
  • U3863 Ford Taurus X
  • U3863 Ford Tempo
  • U3863 Ford Thunderbird
  • U3863 Ford Transit
  • U3863 Ford Transit Connect
  • U3863 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.