B0666

B0666 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0666 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 B0666 Fault Code Meaning :

Ford B0666 Symptoms :

Ford B0666 Reasons :

How To Fix Ford B0666 Trouble Code ?

Which Ford cars have the code B0666?

  • B0666 Ford Aerostar
  • B0666 Ford Bronco
  • B0666 Ford C-Max
  • B0666 Ford C-Max Energi
  • B0666 Ford C-Max Hybrid
  • B0666 Ford Contour
  • B0666 Ford Crown Victoria
  • B0666 Ford EcoSport
  • B0666 Ford Econoline
  • B0666 Ford Edge
  • B0666 Ford Escape
  • B0666 Ford Escape Hybrid
  • B0666 Ford Escort
  • B0666 Ford Everest
  • B0666 Ford Excursion
  • B0666 Ford Expedition
  • B0666 Ford Explorer
  • B0666 Ford Explorer Sport Trac
  • B0666 Ford F-150
  • B0666 Ford F-250
  • B0666 Ford F-350
  • B0666 Ford Fiesta
  • B0666 Ford Flex
  • B0666 Ford Focus
  • B0666 Ford Focus Electric
  • B0666 Ford Freestar
  • B0666 Ford Freestyle
  • B0666 Ford Fusion
  • B0666 Ford Fusion Energi
  • B0666 Ford Fusion Hybrid
  • B0666 Ford Fusion Plug-In Hybrid
  • B0666 Ford GT
  • B0666 Ford Mustang
  • B0666 Ford Mustang Mach-E
  • B0666 Ford Mystique
  • B0666 Ford Probe
  • B0666 Ford Ranger
  • B0666 Ford Taurus
  • B0666 Ford Taurus X
  • B0666 Ford Tempo
  • B0666 Ford Thunderbird
  • B0666 Ford Transit
  • B0666 Ford Transit Connect
  • B0666 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.