U3947

U3947 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3947 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 U3947 Fault Code Meaning :

Ford U3947 Symptoms :

Ford U3947 Reasons :

How To Fix Ford U3947 Trouble Code ?

Which Ford cars have the code U3947?

  • U3947 Ford Aerostar
  • U3947 Ford Bronco
  • U3947 Ford C-Max
  • U3947 Ford C-Max Energi
  • U3947 Ford C-Max Hybrid
  • U3947 Ford Contour
  • U3947 Ford Crown Victoria
  • U3947 Ford EcoSport
  • U3947 Ford Econoline
  • U3947 Ford Edge
  • U3947 Ford Escape
  • U3947 Ford Escape Hybrid
  • U3947 Ford Escort
  • U3947 Ford Everest
  • U3947 Ford Excursion
  • U3947 Ford Expedition
  • U3947 Ford Explorer
  • U3947 Ford Explorer Sport Trac
  • U3947 Ford F-150
  • U3947 Ford F-250
  • U3947 Ford F-350
  • U3947 Ford Fiesta
  • U3947 Ford Flex
  • U3947 Ford Focus
  • U3947 Ford Focus Electric
  • U3947 Ford Freestar
  • U3947 Ford Freestyle
  • U3947 Ford Fusion
  • U3947 Ford Fusion Energi
  • U3947 Ford Fusion Hybrid
  • U3947 Ford Fusion Plug-In Hybrid
  • U3947 Ford GT
  • U3947 Ford Mustang
  • U3947 Ford Mustang Mach-E
  • U3947 Ford Mystique
  • U3947 Ford Probe
  • U3947 Ford Ranger
  • U3947 Ford Taurus
  • U3947 Ford Taurus X
  • U3947 Ford Tempo
  • U3947 Ford Thunderbird
  • U3947 Ford Transit
  • U3947 Ford Transit Connect
  • U3947 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.