B1878

B1878 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1878 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 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 B1878 Fault Code Meaning :

Ford B1878 Symptoms :

Ford B1878 Reasons :

How To Fix Ford B1878 Trouble Code ?

Which Ford cars have the code B1878?

  • B1878 Ford Aerostar
  • B1878 Ford Bronco
  • B1878 Ford C-Max
  • B1878 Ford C-Max Energi
  • B1878 Ford C-Max Hybrid
  • B1878 Ford Contour
  • B1878 Ford Crown Victoria
  • B1878 Ford EcoSport
  • B1878 Ford Econoline
  • B1878 Ford Edge
  • B1878 Ford Escape
  • B1878 Ford Escape Hybrid
  • B1878 Ford Escort
  • B1878 Ford Everest
  • B1878 Ford Excursion
  • B1878 Ford Expedition
  • B1878 Ford Explorer
  • B1878 Ford Explorer Sport Trac
  • B1878 Ford F-150
  • B1878 Ford F-250
  • B1878 Ford F-350
  • B1878 Ford Fiesta
  • B1878 Ford Flex
  • B1878 Ford Focus
  • B1878 Ford Focus Electric
  • B1878 Ford Freestar
  • B1878 Ford Freestyle
  • B1878 Ford Fusion
  • B1878 Ford Fusion Energi
  • B1878 Ford Fusion Hybrid
  • B1878 Ford Fusion Plug-In Hybrid
  • B1878 Ford GT
  • B1878 Ford Mustang
  • B1878 Ford Mustang Mach-E
  • B1878 Ford Mystique
  • B1878 Ford Probe
  • B1878 Ford Ranger
  • B1878 Ford Taurus
  • B1878 Ford Taurus X
  • B1878 Ford Tempo
  • B1878 Ford Thunderbird
  • B1878 Ford Transit
  • B1878 Ford Transit Connect
  • B1878 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.