B1856

B1856 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1856 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 B1856 Fault Code Meaning :

Ford B1856 Symptoms :

Ford B1856 Reasons :

How To Fix Ford B1856 Trouble Code ?

Which Ford cars have the code B1856?

  • B1856 Ford Aerostar
  • B1856 Ford Bronco
  • B1856 Ford C-Max
  • B1856 Ford C-Max Energi
  • B1856 Ford C-Max Hybrid
  • B1856 Ford Contour
  • B1856 Ford Crown Victoria
  • B1856 Ford EcoSport
  • B1856 Ford Econoline
  • B1856 Ford Edge
  • B1856 Ford Escape
  • B1856 Ford Escape Hybrid
  • B1856 Ford Escort
  • B1856 Ford Everest
  • B1856 Ford Excursion
  • B1856 Ford Expedition
  • B1856 Ford Explorer
  • B1856 Ford Explorer Sport Trac
  • B1856 Ford F-150
  • B1856 Ford F-250
  • B1856 Ford F-350
  • B1856 Ford Fiesta
  • B1856 Ford Flex
  • B1856 Ford Focus
  • B1856 Ford Focus Electric
  • B1856 Ford Freestar
  • B1856 Ford Freestyle
  • B1856 Ford Fusion
  • B1856 Ford Fusion Energi
  • B1856 Ford Fusion Hybrid
  • B1856 Ford Fusion Plug-In Hybrid
  • B1856 Ford GT
  • B1856 Ford Mustang
  • B1856 Ford Mustang Mach-E
  • B1856 Ford Mystique
  • B1856 Ford Probe
  • B1856 Ford Ranger
  • B1856 Ford Taurus
  • B1856 Ford Taurus X
  • B1856 Ford Tempo
  • B1856 Ford Thunderbird
  • B1856 Ford Transit
  • B1856 Ford Transit Connect
  • B1856 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.