C3980

C3980 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3980 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 C3980 Fault Code Meaning :

Ford C3980 Symptoms :

Ford C3980 Reasons :

How To Fix Ford C3980 Trouble Code ?

Which Ford cars have the code C3980?

  • C3980 Ford Aerostar
  • C3980 Ford Bronco
  • C3980 Ford C-Max
  • C3980 Ford C-Max Energi
  • C3980 Ford C-Max Hybrid
  • C3980 Ford Contour
  • C3980 Ford Crown Victoria
  • C3980 Ford EcoSport
  • C3980 Ford Econoline
  • C3980 Ford Edge
  • C3980 Ford Escape
  • C3980 Ford Escape Hybrid
  • C3980 Ford Escort
  • C3980 Ford Everest
  • C3980 Ford Excursion
  • C3980 Ford Expedition
  • C3980 Ford Explorer
  • C3980 Ford Explorer Sport Trac
  • C3980 Ford F-150
  • C3980 Ford F-250
  • C3980 Ford F-350
  • C3980 Ford Fiesta
  • C3980 Ford Flex
  • C3980 Ford Focus
  • C3980 Ford Focus Electric
  • C3980 Ford Freestar
  • C3980 Ford Freestyle
  • C3980 Ford Fusion
  • C3980 Ford Fusion Energi
  • C3980 Ford Fusion Hybrid
  • C3980 Ford Fusion Plug-In Hybrid
  • C3980 Ford GT
  • C3980 Ford Mustang
  • C3980 Ford Mustang Mach-E
  • C3980 Ford Mystique
  • C3980 Ford Probe
  • C3980 Ford Ranger
  • C3980 Ford Taurus
  • C3980 Ford Taurus X
  • C3980 Ford Tempo
  • C3980 Ford Thunderbird
  • C3980 Ford Transit
  • C3980 Ford Transit Connect
  • C3980 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.