B3865

B3865 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3865 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.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford B3865 Fault Code Meaning :

Ford B3865 Symptoms :

Ford B3865 Reasons :

How To Fix Ford B3865 Trouble Code ?

Which Ford cars have the code B3865?

  • B3865 Ford Aerostar
  • B3865 Ford Bronco
  • B3865 Ford C-Max
  • B3865 Ford C-Max Energi
  • B3865 Ford C-Max Hybrid
  • B3865 Ford Contour
  • B3865 Ford Crown Victoria
  • B3865 Ford EcoSport
  • B3865 Ford Econoline
  • B3865 Ford Edge
  • B3865 Ford Escape
  • B3865 Ford Escape Hybrid
  • B3865 Ford Escort
  • B3865 Ford Everest
  • B3865 Ford Excursion
  • B3865 Ford Expedition
  • B3865 Ford Explorer
  • B3865 Ford Explorer Sport Trac
  • B3865 Ford F-150
  • B3865 Ford F-250
  • B3865 Ford F-350
  • B3865 Ford Fiesta
  • B3865 Ford Flex
  • B3865 Ford Focus
  • B3865 Ford Focus Electric
  • B3865 Ford Freestar
  • B3865 Ford Freestyle
  • B3865 Ford Fusion
  • B3865 Ford Fusion Energi
  • B3865 Ford Fusion Hybrid
  • B3865 Ford Fusion Plug-In Hybrid
  • B3865 Ford GT
  • B3865 Ford Mustang
  • B3865 Ford Mustang Mach-E
  • B3865 Ford Mystique
  • B3865 Ford Probe
  • B3865 Ford Ranger
  • B3865 Ford Taurus
  • B3865 Ford Taurus X
  • B3865 Ford Tempo
  • B3865 Ford Thunderbird
  • B3865 Ford Transit
  • B3865 Ford Transit Connect
  • B3865 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.