B1666

B1666 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1666 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 B1666 Fault Code Meaning :

Ford B1666 Symptoms :

Ford B1666 Reasons :

How To Fix Ford B1666 Trouble Code ?

Which Ford cars have the code B1666?

  • B1666 Ford Aerostar
  • B1666 Ford Bronco
  • B1666 Ford C-Max
  • B1666 Ford C-Max Energi
  • B1666 Ford C-Max Hybrid
  • B1666 Ford Contour
  • B1666 Ford Crown Victoria
  • B1666 Ford EcoSport
  • B1666 Ford Econoline
  • B1666 Ford Edge
  • B1666 Ford Escape
  • B1666 Ford Escape Hybrid
  • B1666 Ford Escort
  • B1666 Ford Everest
  • B1666 Ford Excursion
  • B1666 Ford Expedition
  • B1666 Ford Explorer
  • B1666 Ford Explorer Sport Trac
  • B1666 Ford F-150
  • B1666 Ford F-250
  • B1666 Ford F-350
  • B1666 Ford Fiesta
  • B1666 Ford Flex
  • B1666 Ford Focus
  • B1666 Ford Focus Electric
  • B1666 Ford Freestar
  • B1666 Ford Freestyle
  • B1666 Ford Fusion
  • B1666 Ford Fusion Energi
  • B1666 Ford Fusion Hybrid
  • B1666 Ford Fusion Plug-In Hybrid
  • B1666 Ford GT
  • B1666 Ford Mustang
  • B1666 Ford Mustang Mach-E
  • B1666 Ford Mystique
  • B1666 Ford Probe
  • B1666 Ford Ranger
  • B1666 Ford Taurus
  • B1666 Ford Taurus X
  • B1666 Ford Tempo
  • B1666 Ford Thunderbird
  • B1666 Ford Transit
  • B1666 Ford Transit Connect
  • B1666 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.