B3778

B3778 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3778 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 B3778 Fault Code Meaning :

Ford B3778 Symptoms :

Ford B3778 Reasons :

How To Fix Ford B3778 Trouble Code ?

Which Ford cars have the code B3778?

  • B3778 Ford Aerostar
  • B3778 Ford Bronco
  • B3778 Ford C-Max
  • B3778 Ford C-Max Energi
  • B3778 Ford C-Max Hybrid
  • B3778 Ford Contour
  • B3778 Ford Crown Victoria
  • B3778 Ford EcoSport
  • B3778 Ford Econoline
  • B3778 Ford Edge
  • B3778 Ford Escape
  • B3778 Ford Escape Hybrid
  • B3778 Ford Escort
  • B3778 Ford Everest
  • B3778 Ford Excursion
  • B3778 Ford Expedition
  • B3778 Ford Explorer
  • B3778 Ford Explorer Sport Trac
  • B3778 Ford F-150
  • B3778 Ford F-250
  • B3778 Ford F-350
  • B3778 Ford Fiesta
  • B3778 Ford Flex
  • B3778 Ford Focus
  • B3778 Ford Focus Electric
  • B3778 Ford Freestar
  • B3778 Ford Freestyle
  • B3778 Ford Fusion
  • B3778 Ford Fusion Energi
  • B3778 Ford Fusion Hybrid
  • B3778 Ford Fusion Plug-In Hybrid
  • B3778 Ford GT
  • B3778 Ford Mustang
  • B3778 Ford Mustang Mach-E
  • B3778 Ford Mystique
  • B3778 Ford Probe
  • B3778 Ford Ranger
  • B3778 Ford Taurus
  • B3778 Ford Taurus X
  • B3778 Ford Tempo
  • B3778 Ford Thunderbird
  • B3778 Ford Transit
  • B3778 Ford Transit Connect
  • B3778 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.