U3856

U3856 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3856 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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.

Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.

Ford U3856 Fault Code Meaning :

Ford U3856 Symptoms :

Ford U3856 Reasons :

How To Fix Ford U3856 Trouble Code ?

Which Ford cars have the code U3856?

  • U3856 Ford Aerostar
  • U3856 Ford Bronco
  • U3856 Ford C-Max
  • U3856 Ford C-Max Energi
  • U3856 Ford C-Max Hybrid
  • U3856 Ford Contour
  • U3856 Ford Crown Victoria
  • U3856 Ford EcoSport
  • U3856 Ford Econoline
  • U3856 Ford Edge
  • U3856 Ford Escape
  • U3856 Ford Escape Hybrid
  • U3856 Ford Escort
  • U3856 Ford Everest
  • U3856 Ford Excursion
  • U3856 Ford Expedition
  • U3856 Ford Explorer
  • U3856 Ford Explorer Sport Trac
  • U3856 Ford F-150
  • U3856 Ford F-250
  • U3856 Ford F-350
  • U3856 Ford Fiesta
  • U3856 Ford Flex
  • U3856 Ford Focus
  • U3856 Ford Focus Electric
  • U3856 Ford Freestar
  • U3856 Ford Freestyle
  • U3856 Ford Fusion
  • U3856 Ford Fusion Energi
  • U3856 Ford Fusion Hybrid
  • U3856 Ford Fusion Plug-In Hybrid
  • U3856 Ford GT
  • U3856 Ford Mustang
  • U3856 Ford Mustang Mach-E
  • U3856 Ford Mystique
  • U3856 Ford Probe
  • U3856 Ford Ranger
  • U3856 Ford Taurus
  • U3856 Ford Taurus X
  • U3856 Ford Tempo
  • U3856 Ford Thunderbird
  • U3856 Ford Transit
  • U3856 Ford Transit Connect
  • U3856 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.