C3878

C3878 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3878 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 C3878 Fault Code Meaning :

Ford C3878 Symptoms :

Ford C3878 Reasons :

How To Fix Ford C3878 Trouble Code ?

Which Ford cars have the code C3878?

  • C3878 Ford Aerostar
  • C3878 Ford Bronco
  • C3878 Ford C-Max
  • C3878 Ford C-Max Energi
  • C3878 Ford C-Max Hybrid
  • C3878 Ford Contour
  • C3878 Ford Crown Victoria
  • C3878 Ford EcoSport
  • C3878 Ford Econoline
  • C3878 Ford Edge
  • C3878 Ford Escape
  • C3878 Ford Escape Hybrid
  • C3878 Ford Escort
  • C3878 Ford Everest
  • C3878 Ford Excursion
  • C3878 Ford Expedition
  • C3878 Ford Explorer
  • C3878 Ford Explorer Sport Trac
  • C3878 Ford F-150
  • C3878 Ford F-250
  • C3878 Ford F-350
  • C3878 Ford Fiesta
  • C3878 Ford Flex
  • C3878 Ford Focus
  • C3878 Ford Focus Electric
  • C3878 Ford Freestar
  • C3878 Ford Freestyle
  • C3878 Ford Fusion
  • C3878 Ford Fusion Energi
  • C3878 Ford Fusion Hybrid
  • C3878 Ford Fusion Plug-In Hybrid
  • C3878 Ford GT
  • C3878 Ford Mustang
  • C3878 Ford Mustang Mach-E
  • C3878 Ford Mystique
  • C3878 Ford Probe
  • C3878 Ford Ranger
  • C3878 Ford Taurus
  • C3878 Ford Taurus X
  • C3878 Ford Tempo
  • C3878 Ford Thunderbird
  • C3878 Ford Transit
  • C3878 Ford Transit Connect
  • C3878 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.