P391C

P391C Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P391C 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 P391C Fault Code Meaning :

Ford P391C Symptoms :

Ford P391C Reasons :

How To Fix Ford P391C Trouble Code ?

Which Ford cars have the code P391C?

  • P391C Ford Aerostar
  • P391C Ford Bronco
  • P391C Ford C-Max
  • P391C Ford C-Max Energi
  • P391C Ford C-Max Hybrid
  • P391C Ford Contour
  • P391C Ford Crown Victoria
  • P391C Ford EcoSport
  • P391C Ford Econoline
  • P391C Ford Edge
  • P391C Ford Escape
  • P391C Ford Escape Hybrid
  • P391C Ford Escort
  • P391C Ford Everest
  • P391C Ford Excursion
  • P391C Ford Expedition
  • P391C Ford Explorer
  • P391C Ford Explorer Sport Trac
  • P391C Ford F-150
  • P391C Ford F-250
  • P391C Ford F-350
  • P391C Ford Fiesta
  • P391C Ford Flex
  • P391C Ford Focus
  • P391C Ford Focus Electric
  • P391C Ford Freestar
  • P391C Ford Freestyle
  • P391C Ford Fusion
  • P391C Ford Fusion Energi
  • P391C Ford Fusion Hybrid
  • P391C Ford Fusion Plug-In Hybrid
  • P391C Ford GT
  • P391C Ford Mustang
  • P391C Ford Mustang Mach-E
  • P391C Ford Mystique
  • P391C Ford Probe
  • P391C Ford Ranger
  • P391C Ford Taurus
  • P391C Ford Taurus X
  • P391C Ford Tempo
  • P391C Ford Thunderbird
  • P391C Ford Transit
  • P391C Ford Transit Connect
  • P391C 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.