C3728

C3728 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3728 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.

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 C3728 Fault Code Meaning :

Ford C3728 Symptoms :

Ford C3728 Reasons :

How To Fix Ford C3728 Trouble Code ?

Which Ford cars have the code C3728?

  • C3728 Ford Aerostar
  • C3728 Ford Bronco
  • C3728 Ford C-Max
  • C3728 Ford C-Max Energi
  • C3728 Ford C-Max Hybrid
  • C3728 Ford Contour
  • C3728 Ford Crown Victoria
  • C3728 Ford EcoSport
  • C3728 Ford Econoline
  • C3728 Ford Edge
  • C3728 Ford Escape
  • C3728 Ford Escape Hybrid
  • C3728 Ford Escort
  • C3728 Ford Everest
  • C3728 Ford Excursion
  • C3728 Ford Expedition
  • C3728 Ford Explorer
  • C3728 Ford Explorer Sport Trac
  • C3728 Ford F-150
  • C3728 Ford F-250
  • C3728 Ford F-350
  • C3728 Ford Fiesta
  • C3728 Ford Flex
  • C3728 Ford Focus
  • C3728 Ford Focus Electric
  • C3728 Ford Freestar
  • C3728 Ford Freestyle
  • C3728 Ford Fusion
  • C3728 Ford Fusion Energi
  • C3728 Ford Fusion Hybrid
  • C3728 Ford Fusion Plug-In Hybrid
  • C3728 Ford GT
  • C3728 Ford Mustang
  • C3728 Ford Mustang Mach-E
  • C3728 Ford Mystique
  • C3728 Ford Probe
  • C3728 Ford Ranger
  • C3728 Ford Taurus
  • C3728 Ford Taurus X
  • C3728 Ford Tempo
  • C3728 Ford Thunderbird
  • C3728 Ford Transit
  • C3728 Ford Transit Connect
  • C3728 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.