P394D

P394D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P394D Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 P394D Fault Code Meaning :

Ford P394D Symptoms :

Ford P394D Reasons :

How To Fix Ford P394D Trouble Code ?

Which Ford cars have the code P394D?

  • P394D Ford Aerostar
  • P394D Ford Bronco
  • P394D Ford C-Max
  • P394D Ford C-Max Energi
  • P394D Ford C-Max Hybrid
  • P394D Ford Contour
  • P394D Ford Crown Victoria
  • P394D Ford EcoSport
  • P394D Ford Econoline
  • P394D Ford Edge
  • P394D Ford Escape
  • P394D Ford Escape Hybrid
  • P394D Ford Escort
  • P394D Ford Everest
  • P394D Ford Excursion
  • P394D Ford Expedition
  • P394D Ford Explorer
  • P394D Ford Explorer Sport Trac
  • P394D Ford F-150
  • P394D Ford F-250
  • P394D Ford F-350
  • P394D Ford Fiesta
  • P394D Ford Flex
  • P394D Ford Focus
  • P394D Ford Focus Electric
  • P394D Ford Freestar
  • P394D Ford Freestyle
  • P394D Ford Fusion
  • P394D Ford Fusion Energi
  • P394D Ford Fusion Hybrid
  • P394D Ford Fusion Plug-In Hybrid
  • P394D Ford GT
  • P394D Ford Mustang
  • P394D Ford Mustang Mach-E
  • P394D Ford Mystique
  • P394D Ford Probe
  • P394D Ford Ranger
  • P394D Ford Taurus
  • P394D Ford Taurus X
  • P394D Ford Tempo
  • P394D Ford Thunderbird
  • P394D Ford Transit
  • P394D Ford Transit Connect
  • P394D 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.