B0405

B0405 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0405 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 B0405 Fault Code Meaning :

Ford B0405 Symptoms :

Ford B0405 Reasons :

How To Fix Ford B0405 Trouble Code ?

Which Ford cars have the code B0405?

  • B0405 Ford Aerostar
  • B0405 Ford Bronco
  • B0405 Ford C-Max
  • B0405 Ford C-Max Energi
  • B0405 Ford C-Max Hybrid
  • B0405 Ford Contour
  • B0405 Ford Crown Victoria
  • B0405 Ford EcoSport
  • B0405 Ford Econoline
  • B0405 Ford Edge
  • B0405 Ford Escape
  • B0405 Ford Escape Hybrid
  • B0405 Ford Escort
  • B0405 Ford Everest
  • B0405 Ford Excursion
  • B0405 Ford Expedition
  • B0405 Ford Explorer
  • B0405 Ford Explorer Sport Trac
  • B0405 Ford F-150
  • B0405 Ford F-250
  • B0405 Ford F-350
  • B0405 Ford Fiesta
  • B0405 Ford Flex
  • B0405 Ford Focus
  • B0405 Ford Focus Electric
  • B0405 Ford Freestar
  • B0405 Ford Freestyle
  • B0405 Ford Fusion
  • B0405 Ford Fusion Energi
  • B0405 Ford Fusion Hybrid
  • B0405 Ford Fusion Plug-In Hybrid
  • B0405 Ford GT
  • B0405 Ford Mustang
  • B0405 Ford Mustang Mach-E
  • B0405 Ford Mystique
  • B0405 Ford Probe
  • B0405 Ford Ranger
  • B0405 Ford Taurus
  • B0405 Ford Taurus X
  • B0405 Ford Tempo
  • B0405 Ford Thunderbird
  • B0405 Ford Transit
  • B0405 Ford Transit Connect
  • B0405 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.