P3864

P3864 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3864 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.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 P3864 Fault Code Meaning :

Ford P3864 Symptoms :

Ford P3864 Reasons :

How To Fix Ford P3864 Trouble Code ?

Which Ford cars have the code P3864?

  • P3864 Ford Aerostar
  • P3864 Ford Bronco
  • P3864 Ford C-Max
  • P3864 Ford C-Max Energi
  • P3864 Ford C-Max Hybrid
  • P3864 Ford Contour
  • P3864 Ford Crown Victoria
  • P3864 Ford EcoSport
  • P3864 Ford Econoline
  • P3864 Ford Edge
  • P3864 Ford Escape
  • P3864 Ford Escape Hybrid
  • P3864 Ford Escort
  • P3864 Ford Everest
  • P3864 Ford Excursion
  • P3864 Ford Expedition
  • P3864 Ford Explorer
  • P3864 Ford Explorer Sport Trac
  • P3864 Ford F-150
  • P3864 Ford F-250
  • P3864 Ford F-350
  • P3864 Ford Fiesta
  • P3864 Ford Flex
  • P3864 Ford Focus
  • P3864 Ford Focus Electric
  • P3864 Ford Freestar
  • P3864 Ford Freestyle
  • P3864 Ford Fusion
  • P3864 Ford Fusion Energi
  • P3864 Ford Fusion Hybrid
  • P3864 Ford Fusion Plug-In Hybrid
  • P3864 Ford GT
  • P3864 Ford Mustang
  • P3864 Ford Mustang Mach-E
  • P3864 Ford Mystique
  • P3864 Ford Probe
  • P3864 Ford Ranger
  • P3864 Ford Taurus
  • P3864 Ford Taurus X
  • P3864 Ford Tempo
  • P3864 Ford Thunderbird
  • P3864 Ford Transit
  • P3864 Ford Transit Connect
  • P3864 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.