B3400

B3400 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3400 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 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 B3400 Fault Code Meaning :

Ford B3400 Symptoms :

Ford B3400 Reasons :

How To Fix Ford B3400 Trouble Code ?

Which Ford cars have the code B3400?

  • B3400 Ford Aerostar
  • B3400 Ford Bronco
  • B3400 Ford C-Max
  • B3400 Ford C-Max Energi
  • B3400 Ford C-Max Hybrid
  • B3400 Ford Contour
  • B3400 Ford Crown Victoria
  • B3400 Ford EcoSport
  • B3400 Ford Econoline
  • B3400 Ford Edge
  • B3400 Ford Escape
  • B3400 Ford Escape Hybrid
  • B3400 Ford Escort
  • B3400 Ford Everest
  • B3400 Ford Excursion
  • B3400 Ford Expedition
  • B3400 Ford Explorer
  • B3400 Ford Explorer Sport Trac
  • B3400 Ford F-150
  • B3400 Ford F-250
  • B3400 Ford F-350
  • B3400 Ford Fiesta
  • B3400 Ford Flex
  • B3400 Ford Focus
  • B3400 Ford Focus Electric
  • B3400 Ford Freestar
  • B3400 Ford Freestyle
  • B3400 Ford Fusion
  • B3400 Ford Fusion Energi
  • B3400 Ford Fusion Hybrid
  • B3400 Ford Fusion Plug-In Hybrid
  • B3400 Ford GT
  • B3400 Ford Mustang
  • B3400 Ford Mustang Mach-E
  • B3400 Ford Mystique
  • B3400 Ford Probe
  • B3400 Ford Ranger
  • B3400 Ford Taurus
  • B3400 Ford Taurus X
  • B3400 Ford Tempo
  • B3400 Ford Thunderbird
  • B3400 Ford Transit
  • B3400 Ford Transit Connect
  • B3400 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.