C3864

C3864 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3864 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.

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 C3864 Fault Code Meaning :

Ford C3864 Symptoms :

Ford C3864 Reasons :

How To Fix Ford C3864 Trouble Code ?

Which Ford cars have the code C3864?

  • C3864 Ford Aerostar
  • C3864 Ford Bronco
  • C3864 Ford C-Max
  • C3864 Ford C-Max Energi
  • C3864 Ford C-Max Hybrid
  • C3864 Ford Contour
  • C3864 Ford Crown Victoria
  • C3864 Ford EcoSport
  • C3864 Ford Econoline
  • C3864 Ford Edge
  • C3864 Ford Escape
  • C3864 Ford Escape Hybrid
  • C3864 Ford Escort
  • C3864 Ford Everest
  • C3864 Ford Excursion
  • C3864 Ford Expedition
  • C3864 Ford Explorer
  • C3864 Ford Explorer Sport Trac
  • C3864 Ford F-150
  • C3864 Ford F-250
  • C3864 Ford F-350
  • C3864 Ford Fiesta
  • C3864 Ford Flex
  • C3864 Ford Focus
  • C3864 Ford Focus Electric
  • C3864 Ford Freestar
  • C3864 Ford Freestyle
  • C3864 Ford Fusion
  • C3864 Ford Fusion Energi
  • C3864 Ford Fusion Hybrid
  • C3864 Ford Fusion Plug-In Hybrid
  • C3864 Ford GT
  • C3864 Ford Mustang
  • C3864 Ford Mustang Mach-E
  • C3864 Ford Mystique
  • C3864 Ford Probe
  • C3864 Ford Ranger
  • C3864 Ford Taurus
  • C3864 Ford Taurus X
  • C3864 Ford Tempo
  • C3864 Ford Thunderbird
  • C3864 Ford Transit
  • C3864 Ford Transit Connect
  • C3864 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.