P3786

P3786 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3786 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 P3786 Fault Code Meaning :

Ford P3786 Symptoms :

Ford P3786 Reasons :

How To Fix Ford P3786 Trouble Code ?

Which Ford cars have the code P3786?

  • P3786 Ford Aerostar
  • P3786 Ford Bronco
  • P3786 Ford C-Max
  • P3786 Ford C-Max Energi
  • P3786 Ford C-Max Hybrid
  • P3786 Ford Contour
  • P3786 Ford Crown Victoria
  • P3786 Ford EcoSport
  • P3786 Ford Econoline
  • P3786 Ford Edge
  • P3786 Ford Escape
  • P3786 Ford Escape Hybrid
  • P3786 Ford Escort
  • P3786 Ford Everest
  • P3786 Ford Excursion
  • P3786 Ford Expedition
  • P3786 Ford Explorer
  • P3786 Ford Explorer Sport Trac
  • P3786 Ford F-150
  • P3786 Ford F-250
  • P3786 Ford F-350
  • P3786 Ford Fiesta
  • P3786 Ford Flex
  • P3786 Ford Focus
  • P3786 Ford Focus Electric
  • P3786 Ford Freestar
  • P3786 Ford Freestyle
  • P3786 Ford Fusion
  • P3786 Ford Fusion Energi
  • P3786 Ford Fusion Hybrid
  • P3786 Ford Fusion Plug-In Hybrid
  • P3786 Ford GT
  • P3786 Ford Mustang
  • P3786 Ford Mustang Mach-E
  • P3786 Ford Mystique
  • P3786 Ford Probe
  • P3786 Ford Ranger
  • P3786 Ford Taurus
  • P3786 Ford Taurus X
  • P3786 Ford Tempo
  • P3786 Ford Thunderbird
  • P3786 Ford Transit
  • P3786 Ford Transit Connect
  • P3786 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.