U3120

U3120 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3120 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 U3120 Fault Code Meaning :

Ford U3120 Symptoms :

Ford U3120 Reasons :

How To Fix Ford U3120 Trouble Code ?

Which Ford cars have the code U3120?

  • U3120 Ford Aerostar
  • U3120 Ford Bronco
  • U3120 Ford C-Max
  • U3120 Ford C-Max Energi
  • U3120 Ford C-Max Hybrid
  • U3120 Ford Contour
  • U3120 Ford Crown Victoria
  • U3120 Ford EcoSport
  • U3120 Ford Econoline
  • U3120 Ford Edge
  • U3120 Ford Escape
  • U3120 Ford Escape Hybrid
  • U3120 Ford Escort
  • U3120 Ford Everest
  • U3120 Ford Excursion
  • U3120 Ford Expedition
  • U3120 Ford Explorer
  • U3120 Ford Explorer Sport Trac
  • U3120 Ford F-150
  • U3120 Ford F-250
  • U3120 Ford F-350
  • U3120 Ford Fiesta
  • U3120 Ford Flex
  • U3120 Ford Focus
  • U3120 Ford Focus Electric
  • U3120 Ford Freestar
  • U3120 Ford Freestyle
  • U3120 Ford Fusion
  • U3120 Ford Fusion Energi
  • U3120 Ford Fusion Hybrid
  • U3120 Ford Fusion Plug-In Hybrid
  • U3120 Ford GT
  • U3120 Ford Mustang
  • U3120 Ford Mustang Mach-E
  • U3120 Ford Mystique
  • U3120 Ford Probe
  • U3120 Ford Ranger
  • U3120 Ford Taurus
  • U3120 Ford Taurus X
  • U3120 Ford Tempo
  • U3120 Ford Thunderbird
  • U3120 Ford Transit
  • U3120 Ford Transit Connect
  • U3120 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.