P1786

P1786 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1786 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 P1786 Fault Code Meaning :

Ford P1786 Symptoms :

Ford P1786 Reasons :

How To Fix Ford P1786 Trouble Code ?

Which Ford cars have the code P1786?

  • P1786 Ford Aerostar
  • P1786 Ford Bronco
  • P1786 Ford C-Max
  • P1786 Ford C-Max Energi
  • P1786 Ford C-Max Hybrid
  • P1786 Ford Contour
  • P1786 Ford Crown Victoria
  • P1786 Ford EcoSport
  • P1786 Ford Econoline
  • P1786 Ford Edge
  • P1786 Ford Escape
  • P1786 Ford Escape Hybrid
  • P1786 Ford Escort
  • P1786 Ford Everest
  • P1786 Ford Excursion
  • P1786 Ford Expedition
  • P1786 Ford Explorer
  • P1786 Ford Explorer Sport Trac
  • P1786 Ford F-150
  • P1786 Ford F-250
  • P1786 Ford F-350
  • P1786 Ford Fiesta
  • P1786 Ford Flex
  • P1786 Ford Focus
  • P1786 Ford Focus Electric
  • P1786 Ford Freestar
  • P1786 Ford Freestyle
  • P1786 Ford Fusion
  • P1786 Ford Fusion Energi
  • P1786 Ford Fusion Hybrid
  • P1786 Ford Fusion Plug-In Hybrid
  • P1786 Ford GT
  • P1786 Ford Mustang
  • P1786 Ford Mustang Mach-E
  • P1786 Ford Mystique
  • P1786 Ford Probe
  • P1786 Ford Ranger
  • P1786 Ford Taurus
  • P1786 Ford Taurus X
  • P1786 Ford Tempo
  • P1786 Ford Thunderbird
  • P1786 Ford Transit
  • P1786 Ford Transit Connect
  • P1786 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.