B3120

B3120 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3120 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford B3120 Fault Code Meaning :

Ford B3120 Symptoms :

Ford B3120 Reasons :

How To Fix Ford B3120 Trouble Code ?

Which Ford cars have the code B3120?

  • B3120 Ford Aerostar
  • B3120 Ford Bronco
  • B3120 Ford C-Max
  • B3120 Ford C-Max Energi
  • B3120 Ford C-Max Hybrid
  • B3120 Ford Contour
  • B3120 Ford Crown Victoria
  • B3120 Ford EcoSport
  • B3120 Ford Econoline
  • B3120 Ford Edge
  • B3120 Ford Escape
  • B3120 Ford Escape Hybrid
  • B3120 Ford Escort
  • B3120 Ford Everest
  • B3120 Ford Excursion
  • B3120 Ford Expedition
  • B3120 Ford Explorer
  • B3120 Ford Explorer Sport Trac
  • B3120 Ford F-150
  • B3120 Ford F-250
  • B3120 Ford F-350
  • B3120 Ford Fiesta
  • B3120 Ford Flex
  • B3120 Ford Focus
  • B3120 Ford Focus Electric
  • B3120 Ford Freestar
  • B3120 Ford Freestyle
  • B3120 Ford Fusion
  • B3120 Ford Fusion Energi
  • B3120 Ford Fusion Hybrid
  • B3120 Ford Fusion Plug-In Hybrid
  • B3120 Ford GT
  • B3120 Ford Mustang
  • B3120 Ford Mustang Mach-E
  • B3120 Ford Mystique
  • B3120 Ford Probe
  • B3120 Ford Ranger
  • B3120 Ford Taurus
  • B3120 Ford Taurus X
  • B3120 Ford Tempo
  • B3120 Ford Thunderbird
  • B3120 Ford Transit
  • B3120 Ford Transit Connect
  • B3120 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.