B3873

B3873 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3873 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.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford B3873 Fault Code Meaning :

Ford B3873 Symptoms :

Ford B3873 Reasons :

How To Fix Ford B3873 Trouble Code ?

Which Ford cars have the code B3873?

  • B3873 Ford Aerostar
  • B3873 Ford Bronco
  • B3873 Ford C-Max
  • B3873 Ford C-Max Energi
  • B3873 Ford C-Max Hybrid
  • B3873 Ford Contour
  • B3873 Ford Crown Victoria
  • B3873 Ford EcoSport
  • B3873 Ford Econoline
  • B3873 Ford Edge
  • B3873 Ford Escape
  • B3873 Ford Escape Hybrid
  • B3873 Ford Escort
  • B3873 Ford Everest
  • B3873 Ford Excursion
  • B3873 Ford Expedition
  • B3873 Ford Explorer
  • B3873 Ford Explorer Sport Trac
  • B3873 Ford F-150
  • B3873 Ford F-250
  • B3873 Ford F-350
  • B3873 Ford Fiesta
  • B3873 Ford Flex
  • B3873 Ford Focus
  • B3873 Ford Focus Electric
  • B3873 Ford Freestar
  • B3873 Ford Freestyle
  • B3873 Ford Fusion
  • B3873 Ford Fusion Energi
  • B3873 Ford Fusion Hybrid
  • B3873 Ford Fusion Plug-In Hybrid
  • B3873 Ford GT
  • B3873 Ford Mustang
  • B3873 Ford Mustang Mach-E
  • B3873 Ford Mystique
  • B3873 Ford Probe
  • B3873 Ford Ranger
  • B3873 Ford Taurus
  • B3873 Ford Taurus X
  • B3873 Ford Tempo
  • B3873 Ford Thunderbird
  • B3873 Ford Transit
  • B3873 Ford Transit Connect
  • B3873 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.