B0456

B0456 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0456 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 B0456 Fault Code Meaning :

Ford B0456 Symptoms :

Ford B0456 Reasons :

How To Fix Ford B0456 Trouble Code ?

Which Ford cars have the code B0456?

  • B0456 Ford Aerostar
  • B0456 Ford Bronco
  • B0456 Ford C-Max
  • B0456 Ford C-Max Energi
  • B0456 Ford C-Max Hybrid
  • B0456 Ford Contour
  • B0456 Ford Crown Victoria
  • B0456 Ford EcoSport
  • B0456 Ford Econoline
  • B0456 Ford Edge
  • B0456 Ford Escape
  • B0456 Ford Escape Hybrid
  • B0456 Ford Escort
  • B0456 Ford Everest
  • B0456 Ford Excursion
  • B0456 Ford Expedition
  • B0456 Ford Explorer
  • B0456 Ford Explorer Sport Trac
  • B0456 Ford F-150
  • B0456 Ford F-250
  • B0456 Ford F-350
  • B0456 Ford Fiesta
  • B0456 Ford Flex
  • B0456 Ford Focus
  • B0456 Ford Focus Electric
  • B0456 Ford Freestar
  • B0456 Ford Freestyle
  • B0456 Ford Fusion
  • B0456 Ford Fusion Energi
  • B0456 Ford Fusion Hybrid
  • B0456 Ford Fusion Plug-In Hybrid
  • B0456 Ford GT
  • B0456 Ford Mustang
  • B0456 Ford Mustang Mach-E
  • B0456 Ford Mystique
  • B0456 Ford Probe
  • B0456 Ford Ranger
  • B0456 Ford Taurus
  • B0456 Ford Taurus X
  • B0456 Ford Tempo
  • B0456 Ford Thunderbird
  • B0456 Ford Transit
  • B0456 Ford Transit Connect
  • B0456 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.