C3993

C3993 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3993 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 C3993 Fault Code Meaning :

Ford C3993 Symptoms :

Ford C3993 Reasons :

How To Fix Ford C3993 Trouble Code ?

Which Ford cars have the code C3993?

  • C3993 Ford Aerostar
  • C3993 Ford Bronco
  • C3993 Ford C-Max
  • C3993 Ford C-Max Energi
  • C3993 Ford C-Max Hybrid
  • C3993 Ford Contour
  • C3993 Ford Crown Victoria
  • C3993 Ford EcoSport
  • C3993 Ford Econoline
  • C3993 Ford Edge
  • C3993 Ford Escape
  • C3993 Ford Escape Hybrid
  • C3993 Ford Escort
  • C3993 Ford Everest
  • C3993 Ford Excursion
  • C3993 Ford Expedition
  • C3993 Ford Explorer
  • C3993 Ford Explorer Sport Trac
  • C3993 Ford F-150
  • C3993 Ford F-250
  • C3993 Ford F-350
  • C3993 Ford Fiesta
  • C3993 Ford Flex
  • C3993 Ford Focus
  • C3993 Ford Focus Electric
  • C3993 Ford Freestar
  • C3993 Ford Freestyle
  • C3993 Ford Fusion
  • C3993 Ford Fusion Energi
  • C3993 Ford Fusion Hybrid
  • C3993 Ford Fusion Plug-In Hybrid
  • C3993 Ford GT
  • C3993 Ford Mustang
  • C3993 Ford Mustang Mach-E
  • C3993 Ford Mystique
  • C3993 Ford Probe
  • C3993 Ford Ranger
  • C3993 Ford Taurus
  • C3993 Ford Taurus X
  • C3993 Ford Tempo
  • C3993 Ford Thunderbird
  • C3993 Ford Transit
  • C3993 Ford Transit Connect
  • C3993 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.