U1439

U1439 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1439 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford U1439 Fault Code Meaning :

Ford U1439 Symptoms :

Ford U1439 Reasons :

How To Fix Ford U1439 Trouble Code ?

Which Ford cars have the code U1439?

  • U1439 Ford Aerostar
  • U1439 Ford Bronco
  • U1439 Ford C-Max
  • U1439 Ford C-Max Energi
  • U1439 Ford C-Max Hybrid
  • U1439 Ford Contour
  • U1439 Ford Crown Victoria
  • U1439 Ford EcoSport
  • U1439 Ford Econoline
  • U1439 Ford Edge
  • U1439 Ford Escape
  • U1439 Ford Escape Hybrid
  • U1439 Ford Escort
  • U1439 Ford Everest
  • U1439 Ford Excursion
  • U1439 Ford Expedition
  • U1439 Ford Explorer
  • U1439 Ford Explorer Sport Trac
  • U1439 Ford F-150
  • U1439 Ford F-250
  • U1439 Ford F-350
  • U1439 Ford Fiesta
  • U1439 Ford Flex
  • U1439 Ford Focus
  • U1439 Ford Focus Electric
  • U1439 Ford Freestar
  • U1439 Ford Freestyle
  • U1439 Ford Fusion
  • U1439 Ford Fusion Energi
  • U1439 Ford Fusion Hybrid
  • U1439 Ford Fusion Plug-In Hybrid
  • U1439 Ford GT
  • U1439 Ford Mustang
  • U1439 Ford Mustang Mach-E
  • U1439 Ford Mystique
  • U1439 Ford Probe
  • U1439 Ford Ranger
  • U1439 Ford Taurus
  • U1439 Ford Taurus X
  • U1439 Ford Tempo
  • U1439 Ford Thunderbird
  • U1439 Ford Transit
  • U1439 Ford Transit Connect
  • U1439 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.