U1786

U1786 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1786 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 U1786 Fault Code Meaning :

Ford U1786 Symptoms :

Ford U1786 Reasons :

How To Fix Ford U1786 Trouble Code ?

Which Ford cars have the code U1786?

  • U1786 Ford Aerostar
  • U1786 Ford Bronco
  • U1786 Ford C-Max
  • U1786 Ford C-Max Energi
  • U1786 Ford C-Max Hybrid
  • U1786 Ford Contour
  • U1786 Ford Crown Victoria
  • U1786 Ford EcoSport
  • U1786 Ford Econoline
  • U1786 Ford Edge
  • U1786 Ford Escape
  • U1786 Ford Escape Hybrid
  • U1786 Ford Escort
  • U1786 Ford Everest
  • U1786 Ford Excursion
  • U1786 Ford Expedition
  • U1786 Ford Explorer
  • U1786 Ford Explorer Sport Trac
  • U1786 Ford F-150
  • U1786 Ford F-250
  • U1786 Ford F-350
  • U1786 Ford Fiesta
  • U1786 Ford Flex
  • U1786 Ford Focus
  • U1786 Ford Focus Electric
  • U1786 Ford Freestar
  • U1786 Ford Freestyle
  • U1786 Ford Fusion
  • U1786 Ford Fusion Energi
  • U1786 Ford Fusion Hybrid
  • U1786 Ford Fusion Plug-In Hybrid
  • U1786 Ford GT
  • U1786 Ford Mustang
  • U1786 Ford Mustang Mach-E
  • U1786 Ford Mystique
  • U1786 Ford Probe
  • U1786 Ford Ranger
  • U1786 Ford Taurus
  • U1786 Ford Taurus X
  • U1786 Ford Tempo
  • U1786 Ford Thunderbird
  • U1786 Ford Transit
  • U1786 Ford Transit Connect
  • U1786 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.