U3870

U3870 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3870 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 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 U3870 Fault Code Meaning :

Ford U3870 Symptoms :

Ford U3870 Reasons :

How To Fix Ford U3870 Trouble Code ?

Which Ford cars have the code U3870?

  • U3870 Ford Aerostar
  • U3870 Ford Bronco
  • U3870 Ford C-Max
  • U3870 Ford C-Max Energi
  • U3870 Ford C-Max Hybrid
  • U3870 Ford Contour
  • U3870 Ford Crown Victoria
  • U3870 Ford EcoSport
  • U3870 Ford Econoline
  • U3870 Ford Edge
  • U3870 Ford Escape
  • U3870 Ford Escape Hybrid
  • U3870 Ford Escort
  • U3870 Ford Everest
  • U3870 Ford Excursion
  • U3870 Ford Expedition
  • U3870 Ford Explorer
  • U3870 Ford Explorer Sport Trac
  • U3870 Ford F-150
  • U3870 Ford F-250
  • U3870 Ford F-350
  • U3870 Ford Fiesta
  • U3870 Ford Flex
  • U3870 Ford Focus
  • U3870 Ford Focus Electric
  • U3870 Ford Freestar
  • U3870 Ford Freestyle
  • U3870 Ford Fusion
  • U3870 Ford Fusion Energi
  • U3870 Ford Fusion Hybrid
  • U3870 Ford Fusion Plug-In Hybrid
  • U3870 Ford GT
  • U3870 Ford Mustang
  • U3870 Ford Mustang Mach-E
  • U3870 Ford Mystique
  • U3870 Ford Probe
  • U3870 Ford Ranger
  • U3870 Ford Taurus
  • U3870 Ford Taurus X
  • U3870 Ford Tempo
  • U3870 Ford Thunderbird
  • U3870 Ford Transit
  • U3870 Ford Transit Connect
  • U3870 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.