B0406

B0406 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0406 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 B0406 Fault Code Meaning :

Ford B0406 Symptoms :

Ford B0406 Reasons :

How To Fix Ford B0406 Trouble Code ?

Which Ford cars have the code B0406?

  • B0406 Ford Aerostar
  • B0406 Ford Bronco
  • B0406 Ford C-Max
  • B0406 Ford C-Max Energi
  • B0406 Ford C-Max Hybrid
  • B0406 Ford Contour
  • B0406 Ford Crown Victoria
  • B0406 Ford EcoSport
  • B0406 Ford Econoline
  • B0406 Ford Edge
  • B0406 Ford Escape
  • B0406 Ford Escape Hybrid
  • B0406 Ford Escort
  • B0406 Ford Everest
  • B0406 Ford Excursion
  • B0406 Ford Expedition
  • B0406 Ford Explorer
  • B0406 Ford Explorer Sport Trac
  • B0406 Ford F-150
  • B0406 Ford F-250
  • B0406 Ford F-350
  • B0406 Ford Fiesta
  • B0406 Ford Flex
  • B0406 Ford Focus
  • B0406 Ford Focus Electric
  • B0406 Ford Freestar
  • B0406 Ford Freestyle
  • B0406 Ford Fusion
  • B0406 Ford Fusion Energi
  • B0406 Ford Fusion Hybrid
  • B0406 Ford Fusion Plug-In Hybrid
  • B0406 Ford GT
  • B0406 Ford Mustang
  • B0406 Ford Mustang Mach-E
  • B0406 Ford Mystique
  • B0406 Ford Probe
  • B0406 Ford Ranger
  • B0406 Ford Taurus
  • B0406 Ford Taurus X
  • B0406 Ford Tempo
  • B0406 Ford Thunderbird
  • B0406 Ford Transit
  • B0406 Ford Transit Connect
  • B0406 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.