U3820

U3820 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3820 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 U3820 Fault Code Meaning :

Ford U3820 Symptoms :

Ford U3820 Reasons :

How To Fix Ford U3820 Trouble Code ?

Which Ford cars have the code U3820?

  • U3820 Ford Aerostar
  • U3820 Ford Bronco
  • U3820 Ford C-Max
  • U3820 Ford C-Max Energi
  • U3820 Ford C-Max Hybrid
  • U3820 Ford Contour
  • U3820 Ford Crown Victoria
  • U3820 Ford EcoSport
  • U3820 Ford Econoline
  • U3820 Ford Edge
  • U3820 Ford Escape
  • U3820 Ford Escape Hybrid
  • U3820 Ford Escort
  • U3820 Ford Everest
  • U3820 Ford Excursion
  • U3820 Ford Expedition
  • U3820 Ford Explorer
  • U3820 Ford Explorer Sport Trac
  • U3820 Ford F-150
  • U3820 Ford F-250
  • U3820 Ford F-350
  • U3820 Ford Fiesta
  • U3820 Ford Flex
  • U3820 Ford Focus
  • U3820 Ford Focus Electric
  • U3820 Ford Freestar
  • U3820 Ford Freestyle
  • U3820 Ford Fusion
  • U3820 Ford Fusion Energi
  • U3820 Ford Fusion Hybrid
  • U3820 Ford Fusion Plug-In Hybrid
  • U3820 Ford GT
  • U3820 Ford Mustang
  • U3820 Ford Mustang Mach-E
  • U3820 Ford Mystique
  • U3820 Ford Probe
  • U3820 Ford Ranger
  • U3820 Ford Taurus
  • U3820 Ford Taurus X
  • U3820 Ford Tempo
  • U3820 Ford Thunderbird
  • U3820 Ford Transit
  • U3820 Ford Transit Connect
  • U3820 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.