U3811

U3811 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3811 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 U3811 Fault Code Meaning :

Ford U3811 Symptoms :

Ford U3811 Reasons :

How To Fix Ford U3811 Trouble Code ?

Which Ford cars have the code U3811?

  • U3811 Ford Aerostar
  • U3811 Ford Bronco
  • U3811 Ford C-Max
  • U3811 Ford C-Max Energi
  • U3811 Ford C-Max Hybrid
  • U3811 Ford Contour
  • U3811 Ford Crown Victoria
  • U3811 Ford EcoSport
  • U3811 Ford Econoline
  • U3811 Ford Edge
  • U3811 Ford Escape
  • U3811 Ford Escape Hybrid
  • U3811 Ford Escort
  • U3811 Ford Everest
  • U3811 Ford Excursion
  • U3811 Ford Expedition
  • U3811 Ford Explorer
  • U3811 Ford Explorer Sport Trac
  • U3811 Ford F-150
  • U3811 Ford F-250
  • U3811 Ford F-350
  • U3811 Ford Fiesta
  • U3811 Ford Flex
  • U3811 Ford Focus
  • U3811 Ford Focus Electric
  • U3811 Ford Freestar
  • U3811 Ford Freestyle
  • U3811 Ford Fusion
  • U3811 Ford Fusion Energi
  • U3811 Ford Fusion Hybrid
  • U3811 Ford Fusion Plug-In Hybrid
  • U3811 Ford GT
  • U3811 Ford Mustang
  • U3811 Ford Mustang Mach-E
  • U3811 Ford Mystique
  • U3811 Ford Probe
  • U3811 Ford Ranger
  • U3811 Ford Taurus
  • U3811 Ford Taurus X
  • U3811 Ford Tempo
  • U3811 Ford Thunderbird
  • U3811 Ford Transit
  • U3811 Ford Transit Connect
  • U3811 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.