U3890

U3890 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3890 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 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 U3890 Fault Code Meaning :

Ford U3890 Symptoms :

Ford U3890 Reasons :

How To Fix Ford U3890 Trouble Code ?

Which Ford cars have the code U3890?

  • U3890 Ford Aerostar
  • U3890 Ford Bronco
  • U3890 Ford C-Max
  • U3890 Ford C-Max Energi
  • U3890 Ford C-Max Hybrid
  • U3890 Ford Contour
  • U3890 Ford Crown Victoria
  • U3890 Ford EcoSport
  • U3890 Ford Econoline
  • U3890 Ford Edge
  • U3890 Ford Escape
  • U3890 Ford Escape Hybrid
  • U3890 Ford Escort
  • U3890 Ford Everest
  • U3890 Ford Excursion
  • U3890 Ford Expedition
  • U3890 Ford Explorer
  • U3890 Ford Explorer Sport Trac
  • U3890 Ford F-150
  • U3890 Ford F-250
  • U3890 Ford F-350
  • U3890 Ford Fiesta
  • U3890 Ford Flex
  • U3890 Ford Focus
  • U3890 Ford Focus Electric
  • U3890 Ford Freestar
  • U3890 Ford Freestyle
  • U3890 Ford Fusion
  • U3890 Ford Fusion Energi
  • U3890 Ford Fusion Hybrid
  • U3890 Ford Fusion Plug-In Hybrid
  • U3890 Ford GT
  • U3890 Ford Mustang
  • U3890 Ford Mustang Mach-E
  • U3890 Ford Mystique
  • U3890 Ford Probe
  • U3890 Ford Ranger
  • U3890 Ford Taurus
  • U3890 Ford Taurus X
  • U3890 Ford Tempo
  • U3890 Ford Thunderbird
  • U3890 Ford Transit
  • U3890 Ford Transit Connect
  • U3890 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.