P399A

P399A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P399A 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 P399A Fault Code Meaning :

Ford P399A Symptoms :

Ford P399A Reasons :

How To Fix Ford P399A Trouble Code ?

Which Ford cars have the code P399A?

  • P399A Ford Aerostar
  • P399A Ford Bronco
  • P399A Ford C-Max
  • P399A Ford C-Max Energi
  • P399A Ford C-Max Hybrid
  • P399A Ford Contour
  • P399A Ford Crown Victoria
  • P399A Ford EcoSport
  • P399A Ford Econoline
  • P399A Ford Edge
  • P399A Ford Escape
  • P399A Ford Escape Hybrid
  • P399A Ford Escort
  • P399A Ford Everest
  • P399A Ford Excursion
  • P399A Ford Expedition
  • P399A Ford Explorer
  • P399A Ford Explorer Sport Trac
  • P399A Ford F-150
  • P399A Ford F-250
  • P399A Ford F-350
  • P399A Ford Fiesta
  • P399A Ford Flex
  • P399A Ford Focus
  • P399A Ford Focus Electric
  • P399A Ford Freestar
  • P399A Ford Freestyle
  • P399A Ford Fusion
  • P399A Ford Fusion Energi
  • P399A Ford Fusion Hybrid
  • P399A Ford Fusion Plug-In Hybrid
  • P399A Ford GT
  • P399A Ford Mustang
  • P399A Ford Mustang Mach-E
  • P399A Ford Mystique
  • P399A Ford Probe
  • P399A Ford Ranger
  • P399A Ford Taurus
  • P399A Ford Taurus X
  • P399A Ford Tempo
  • P399A Ford Thunderbird
  • P399A Ford Transit
  • P399A Ford Transit Connect
  • P399A 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.