C3812

C3812 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3812 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 C3812 Fault Code Meaning :

Ford C3812 Symptoms :

Ford C3812 Reasons :

How To Fix Ford C3812 Trouble Code ?

Which Ford cars have the code C3812?

  • C3812 Ford Aerostar
  • C3812 Ford Bronco
  • C3812 Ford C-Max
  • C3812 Ford C-Max Energi
  • C3812 Ford C-Max Hybrid
  • C3812 Ford Contour
  • C3812 Ford Crown Victoria
  • C3812 Ford EcoSport
  • C3812 Ford Econoline
  • C3812 Ford Edge
  • C3812 Ford Escape
  • C3812 Ford Escape Hybrid
  • C3812 Ford Escort
  • C3812 Ford Everest
  • C3812 Ford Excursion
  • C3812 Ford Expedition
  • C3812 Ford Explorer
  • C3812 Ford Explorer Sport Trac
  • C3812 Ford F-150
  • C3812 Ford F-250
  • C3812 Ford F-350
  • C3812 Ford Fiesta
  • C3812 Ford Flex
  • C3812 Ford Focus
  • C3812 Ford Focus Electric
  • C3812 Ford Freestar
  • C3812 Ford Freestyle
  • C3812 Ford Fusion
  • C3812 Ford Fusion Energi
  • C3812 Ford Fusion Hybrid
  • C3812 Ford Fusion Plug-In Hybrid
  • C3812 Ford GT
  • C3812 Ford Mustang
  • C3812 Ford Mustang Mach-E
  • C3812 Ford Mystique
  • C3812 Ford Probe
  • C3812 Ford Ranger
  • C3812 Ford Taurus
  • C3812 Ford Taurus X
  • C3812 Ford Tempo
  • C3812 Ford Thunderbird
  • C3812 Ford Transit
  • C3812 Ford Transit Connect
  • C3812 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.