U3639

U3639 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3639 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 U3639 Fault Code Meaning :

Ford U3639 Symptoms :

Ford U3639 Reasons :

How To Fix Ford U3639 Trouble Code ?

Which Ford cars have the code U3639?

  • U3639 Ford Aerostar
  • U3639 Ford Bronco
  • U3639 Ford C-Max
  • U3639 Ford C-Max Energi
  • U3639 Ford C-Max Hybrid
  • U3639 Ford Contour
  • U3639 Ford Crown Victoria
  • U3639 Ford EcoSport
  • U3639 Ford Econoline
  • U3639 Ford Edge
  • U3639 Ford Escape
  • U3639 Ford Escape Hybrid
  • U3639 Ford Escort
  • U3639 Ford Everest
  • U3639 Ford Excursion
  • U3639 Ford Expedition
  • U3639 Ford Explorer
  • U3639 Ford Explorer Sport Trac
  • U3639 Ford F-150
  • U3639 Ford F-250
  • U3639 Ford F-350
  • U3639 Ford Fiesta
  • U3639 Ford Flex
  • U3639 Ford Focus
  • U3639 Ford Focus Electric
  • U3639 Ford Freestar
  • U3639 Ford Freestyle
  • U3639 Ford Fusion
  • U3639 Ford Fusion Energi
  • U3639 Ford Fusion Hybrid
  • U3639 Ford Fusion Plug-In Hybrid
  • U3639 Ford GT
  • U3639 Ford Mustang
  • U3639 Ford Mustang Mach-E
  • U3639 Ford Mystique
  • U3639 Ford Probe
  • U3639 Ford Ranger
  • U3639 Ford Taurus
  • U3639 Ford Taurus X
  • U3639 Ford Tempo
  • U3639 Ford Thunderbird
  • U3639 Ford Transit
  • U3639 Ford Transit Connect
  • U3639 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.