P684C

P684C Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P684C Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford P684C Fault Code Meaning :

Ford P684C Symptoms :

Ford P684C Reasons :

How To Fix Ford P684C Trouble Code ?

Which Ford cars have the code P684C?

  • P684C Ford Aerostar
  • P684C Ford Bronco
  • P684C Ford C-Max
  • P684C Ford C-Max Energi
  • P684C Ford C-Max Hybrid
  • P684C Ford Contour
  • P684C Ford Crown Victoria
  • P684C Ford EcoSport
  • P684C Ford Econoline
  • P684C Ford Edge
  • P684C Ford Escape
  • P684C Ford Escape Hybrid
  • P684C Ford Escort
  • P684C Ford Everest
  • P684C Ford Excursion
  • P684C Ford Expedition
  • P684C Ford Explorer
  • P684C Ford Explorer Sport Trac
  • P684C Ford F-150
  • P684C Ford F-250
  • P684C Ford F-350
  • P684C Ford Fiesta
  • P684C Ford Flex
  • P684C Ford Focus
  • P684C Ford Focus Electric
  • P684C Ford Freestar
  • P684C Ford Freestyle
  • P684C Ford Fusion
  • P684C Ford Fusion Energi
  • P684C Ford Fusion Hybrid
  • P684C Ford Fusion Plug-In Hybrid
  • P684C Ford GT
  • P684C Ford Mustang
  • P684C Ford Mustang Mach-E
  • P684C Ford Mystique
  • P684C Ford Probe
  • P684C Ford Ranger
  • P684C Ford Taurus
  • P684C Ford Taurus X
  • P684C Ford Tempo
  • P684C Ford Thunderbird
  • P684C Ford Transit
  • P684C Ford Transit Connect
  • P684C 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.