P3943

P3943 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3943 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 P3943 Fault Code Meaning :

Ford P3943 Symptoms :

Ford P3943 Reasons :

How To Fix Ford P3943 Trouble Code ?

Which Ford cars have the code P3943?

  • P3943 Ford Aerostar
  • P3943 Ford Bronco
  • P3943 Ford C-Max
  • P3943 Ford C-Max Energi
  • P3943 Ford C-Max Hybrid
  • P3943 Ford Contour
  • P3943 Ford Crown Victoria
  • P3943 Ford EcoSport
  • P3943 Ford Econoline
  • P3943 Ford Edge
  • P3943 Ford Escape
  • P3943 Ford Escape Hybrid
  • P3943 Ford Escort
  • P3943 Ford Everest
  • P3943 Ford Excursion
  • P3943 Ford Expedition
  • P3943 Ford Explorer
  • P3943 Ford Explorer Sport Trac
  • P3943 Ford F-150
  • P3943 Ford F-250
  • P3943 Ford F-350
  • P3943 Ford Fiesta
  • P3943 Ford Flex
  • P3943 Ford Focus
  • P3943 Ford Focus Electric
  • P3943 Ford Freestar
  • P3943 Ford Freestyle
  • P3943 Ford Fusion
  • P3943 Ford Fusion Energi
  • P3943 Ford Fusion Hybrid
  • P3943 Ford Fusion Plug-In Hybrid
  • P3943 Ford GT
  • P3943 Ford Mustang
  • P3943 Ford Mustang Mach-E
  • P3943 Ford Mystique
  • P3943 Ford Probe
  • P3943 Ford Ranger
  • P3943 Ford Taurus
  • P3943 Ford Taurus X
  • P3943 Ford Tempo
  • P3943 Ford Thunderbird
  • P3943 Ford Transit
  • P3943 Ford Transit Connect
  • P3943 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.