B0743

B0743 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0743 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.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 B0743 Fault Code Meaning :

Ford B0743 Symptoms :

Ford B0743 Reasons :

How To Fix Ford B0743 Trouble Code ?

Which Ford cars have the code B0743?

  • B0743 Ford Aerostar
  • B0743 Ford Bronco
  • B0743 Ford C-Max
  • B0743 Ford C-Max Energi
  • B0743 Ford C-Max Hybrid
  • B0743 Ford Contour
  • B0743 Ford Crown Victoria
  • B0743 Ford EcoSport
  • B0743 Ford Econoline
  • B0743 Ford Edge
  • B0743 Ford Escape
  • B0743 Ford Escape Hybrid
  • B0743 Ford Escort
  • B0743 Ford Everest
  • B0743 Ford Excursion
  • B0743 Ford Expedition
  • B0743 Ford Explorer
  • B0743 Ford Explorer Sport Trac
  • B0743 Ford F-150
  • B0743 Ford F-250
  • B0743 Ford F-350
  • B0743 Ford Fiesta
  • B0743 Ford Flex
  • B0743 Ford Focus
  • B0743 Ford Focus Electric
  • B0743 Ford Freestar
  • B0743 Ford Freestyle
  • B0743 Ford Fusion
  • B0743 Ford Fusion Energi
  • B0743 Ford Fusion Hybrid
  • B0743 Ford Fusion Plug-In Hybrid
  • B0743 Ford GT
  • B0743 Ford Mustang
  • B0743 Ford Mustang Mach-E
  • B0743 Ford Mystique
  • B0743 Ford Probe
  • B0743 Ford Ranger
  • B0743 Ford Taurus
  • B0743 Ford Taurus X
  • B0743 Ford Tempo
  • B0743 Ford Thunderbird
  • B0743 Ford Transit
  • B0743 Ford Transit Connect
  • B0743 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.