U0390

U0390 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0390 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 BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford U0390 Fault Code Meaning :

Ford U0390 Symptoms :

Ford U0390 Reasons :

How To Fix Ford U0390 Trouble Code ?

Which Ford cars have the code U0390?

  • U0390 Ford Aerostar
  • U0390 Ford Bronco
  • U0390 Ford C-Max
  • U0390 Ford C-Max Energi
  • U0390 Ford C-Max Hybrid
  • U0390 Ford Contour
  • U0390 Ford Crown Victoria
  • U0390 Ford EcoSport
  • U0390 Ford Econoline
  • U0390 Ford Edge
  • U0390 Ford Escape
  • U0390 Ford Escape Hybrid
  • U0390 Ford Escort
  • U0390 Ford Everest
  • U0390 Ford Excursion
  • U0390 Ford Expedition
  • U0390 Ford Explorer
  • U0390 Ford Explorer Sport Trac
  • U0390 Ford F-150
  • U0390 Ford F-250
  • U0390 Ford F-350
  • U0390 Ford Fiesta
  • U0390 Ford Flex
  • U0390 Ford Focus
  • U0390 Ford Focus Electric
  • U0390 Ford Freestar
  • U0390 Ford Freestyle
  • U0390 Ford Fusion
  • U0390 Ford Fusion Energi
  • U0390 Ford Fusion Hybrid
  • U0390 Ford Fusion Plug-In Hybrid
  • U0390 Ford GT
  • U0390 Ford Mustang
  • U0390 Ford Mustang Mach-E
  • U0390 Ford Mystique
  • U0390 Ford Probe
  • U0390 Ford Ranger
  • U0390 Ford Taurus
  • U0390 Ford Taurus X
  • U0390 Ford Tempo
  • U0390 Ford Thunderbird
  • U0390 Ford Transit
  • U0390 Ford Transit Connect
  • U0390 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.