C0390

C0390 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0390 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

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

Ford C0390 Fault Code Meaning :

Ford C0390 Symptoms :

Ford C0390 Reasons :

How To Fix Ford C0390 Trouble Code ?

Which Ford cars have the code C0390?

  • C0390 Ford Aerostar
  • C0390 Ford Bronco
  • C0390 Ford C-Max
  • C0390 Ford C-Max Energi
  • C0390 Ford C-Max Hybrid
  • C0390 Ford Contour
  • C0390 Ford Crown Victoria
  • C0390 Ford EcoSport
  • C0390 Ford Econoline
  • C0390 Ford Edge
  • C0390 Ford Escape
  • C0390 Ford Escape Hybrid
  • C0390 Ford Escort
  • C0390 Ford Everest
  • C0390 Ford Excursion
  • C0390 Ford Expedition
  • C0390 Ford Explorer
  • C0390 Ford Explorer Sport Trac
  • C0390 Ford F-150
  • C0390 Ford F-250
  • C0390 Ford F-350
  • C0390 Ford Fiesta
  • C0390 Ford Flex
  • C0390 Ford Focus
  • C0390 Ford Focus Electric
  • C0390 Ford Freestar
  • C0390 Ford Freestyle
  • C0390 Ford Fusion
  • C0390 Ford Fusion Energi
  • C0390 Ford Fusion Hybrid
  • C0390 Ford Fusion Plug-In Hybrid
  • C0390 Ford GT
  • C0390 Ford Mustang
  • C0390 Ford Mustang Mach-E
  • C0390 Ford Mystique
  • C0390 Ford Probe
  • C0390 Ford Ranger
  • C0390 Ford Taurus
  • C0390 Ford Taurus X
  • C0390 Ford Tempo
  • C0390 Ford Thunderbird
  • C0390 Ford Transit
  • C0390 Ford Transit Connect
  • C0390 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.