P391D

P391D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P391D Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.The wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

The suspension dump output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension dump air solenoid fault, and for air pressure switch short circuit fault.

Ford P391D Fault Code Meaning :

Ford P391D Symptoms :

Ford P391D Reasons :

How To Fix Ford P391D Trouble Code ?

Which Ford cars have the code P391D?

  • P391D Ford Aerostar
  • P391D Ford Bronco
  • P391D Ford C-Max
  • P391D Ford C-Max Energi
  • P391D Ford C-Max Hybrid
  • P391D Ford Contour
  • P391D Ford Crown Victoria
  • P391D Ford EcoSport
  • P391D Ford Econoline
  • P391D Ford Edge
  • P391D Ford Escape
  • P391D Ford Escape Hybrid
  • P391D Ford Escort
  • P391D Ford Everest
  • P391D Ford Excursion
  • P391D Ford Expedition
  • P391D Ford Explorer
  • P391D Ford Explorer Sport Trac
  • P391D Ford F-150
  • P391D Ford F-250
  • P391D Ford F-350
  • P391D Ford Fiesta
  • P391D Ford Flex
  • P391D Ford Focus
  • P391D Ford Focus Electric
  • P391D Ford Freestar
  • P391D Ford Freestyle
  • P391D Ford Fusion
  • P391D Ford Fusion Energi
  • P391D Ford Fusion Hybrid
  • P391D Ford Fusion Plug-In Hybrid
  • P391D Ford GT
  • P391D Ford Mustang
  • P391D Ford Mustang Mach-E
  • P391D Ford Mystique
  • P391D Ford Probe
  • P391D Ford Ranger
  • P391D Ford Taurus
  • P391D Ford Taurus X
  • P391D Ford Tempo
  • P391D Ford Thunderbird
  • P391D Ford Transit
  • P391D Ford Transit Connect
  • P391D 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.