C0399

C0399 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0399 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 C0399 Fault Code Meaning :

Ford C0399 Symptoms :

Ford C0399 Reasons :

How To Fix Ford C0399 Trouble Code ?

Which Ford cars have the code C0399?

  • C0399 Ford Aerostar
  • C0399 Ford Bronco
  • C0399 Ford C-Max
  • C0399 Ford C-Max Energi
  • C0399 Ford C-Max Hybrid
  • C0399 Ford Contour
  • C0399 Ford Crown Victoria
  • C0399 Ford EcoSport
  • C0399 Ford Econoline
  • C0399 Ford Edge
  • C0399 Ford Escape
  • C0399 Ford Escape Hybrid
  • C0399 Ford Escort
  • C0399 Ford Everest
  • C0399 Ford Excursion
  • C0399 Ford Expedition
  • C0399 Ford Explorer
  • C0399 Ford Explorer Sport Trac
  • C0399 Ford F-150
  • C0399 Ford F-250
  • C0399 Ford F-350
  • C0399 Ford Fiesta
  • C0399 Ford Flex
  • C0399 Ford Focus
  • C0399 Ford Focus Electric
  • C0399 Ford Freestar
  • C0399 Ford Freestyle
  • C0399 Ford Fusion
  • C0399 Ford Fusion Energi
  • C0399 Ford Fusion Hybrid
  • C0399 Ford Fusion Plug-In Hybrid
  • C0399 Ford GT
  • C0399 Ford Mustang
  • C0399 Ford Mustang Mach-E
  • C0399 Ford Mystique
  • C0399 Ford Probe
  • C0399 Ford Ranger
  • C0399 Ford Taurus
  • C0399 Ford Taurus X
  • C0399 Ford Tempo
  • C0399 Ford Thunderbird
  • C0399 Ford Transit
  • C0399 Ford Transit Connect
  • C0399 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.