U3849

U3849 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3849 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 U3849 Fault Code Meaning :

Ford U3849 Symptoms :

Ford U3849 Reasons :

How To Fix Ford U3849 Trouble Code ?

Which Ford cars have the code U3849?

  • U3849 Ford Aerostar
  • U3849 Ford Bronco
  • U3849 Ford C-Max
  • U3849 Ford C-Max Energi
  • U3849 Ford C-Max Hybrid
  • U3849 Ford Contour
  • U3849 Ford Crown Victoria
  • U3849 Ford EcoSport
  • U3849 Ford Econoline
  • U3849 Ford Edge
  • U3849 Ford Escape
  • U3849 Ford Escape Hybrid
  • U3849 Ford Escort
  • U3849 Ford Everest
  • U3849 Ford Excursion
  • U3849 Ford Expedition
  • U3849 Ford Explorer
  • U3849 Ford Explorer Sport Trac
  • U3849 Ford F-150
  • U3849 Ford F-250
  • U3849 Ford F-350
  • U3849 Ford Fiesta
  • U3849 Ford Flex
  • U3849 Ford Focus
  • U3849 Ford Focus Electric
  • U3849 Ford Freestar
  • U3849 Ford Freestyle
  • U3849 Ford Fusion
  • U3849 Ford Fusion Energi
  • U3849 Ford Fusion Hybrid
  • U3849 Ford Fusion Plug-In Hybrid
  • U3849 Ford GT
  • U3849 Ford Mustang
  • U3849 Ford Mustang Mach-E
  • U3849 Ford Mystique
  • U3849 Ford Probe
  • U3849 Ford Ranger
  • U3849 Ford Taurus
  • U3849 Ford Taurus X
  • U3849 Ford Tempo
  • U3849 Ford Thunderbird
  • U3849 Ford Transit
  • U3849 Ford Transit Connect
  • U3849 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.