C3854

C3854 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3854 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford C3854 Fault Code Meaning :

Ford C3854 Symptoms :

Ford C3854 Reasons :

How To Fix Ford C3854 Trouble Code ?

Which Ford cars have the code C3854?

  • C3854 Ford Aerostar
  • C3854 Ford Bronco
  • C3854 Ford C-Max
  • C3854 Ford C-Max Energi
  • C3854 Ford C-Max Hybrid
  • C3854 Ford Contour
  • C3854 Ford Crown Victoria
  • C3854 Ford EcoSport
  • C3854 Ford Econoline
  • C3854 Ford Edge
  • C3854 Ford Escape
  • C3854 Ford Escape Hybrid
  • C3854 Ford Escort
  • C3854 Ford Everest
  • C3854 Ford Excursion
  • C3854 Ford Expedition
  • C3854 Ford Explorer
  • C3854 Ford Explorer Sport Trac
  • C3854 Ford F-150
  • C3854 Ford F-250
  • C3854 Ford F-350
  • C3854 Ford Fiesta
  • C3854 Ford Flex
  • C3854 Ford Focus
  • C3854 Ford Focus Electric
  • C3854 Ford Freestar
  • C3854 Ford Freestyle
  • C3854 Ford Fusion
  • C3854 Ford Fusion Energi
  • C3854 Ford Fusion Hybrid
  • C3854 Ford Fusion Plug-In Hybrid
  • C3854 Ford GT
  • C3854 Ford Mustang
  • C3854 Ford Mustang Mach-E
  • C3854 Ford Mystique
  • C3854 Ford Probe
  • C3854 Ford Ranger
  • C3854 Ford Taurus
  • C3854 Ford Taurus X
  • C3854 Ford Tempo
  • C3854 Ford Thunderbird
  • C3854 Ford Transit
  • C3854 Ford Transit Connect
  • C3854 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.