C1790

C1790 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1790 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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 C1790 Fault Code Meaning :

Ford C1790 Symptoms :

Ford C1790 Reasons :

How To Fix Ford C1790 Trouble Code ?

Which Ford cars have the code C1790?

  • C1790 Ford Aerostar
  • C1790 Ford Bronco
  • C1790 Ford C-Max
  • C1790 Ford C-Max Energi
  • C1790 Ford C-Max Hybrid
  • C1790 Ford Contour
  • C1790 Ford Crown Victoria
  • C1790 Ford EcoSport
  • C1790 Ford Econoline
  • C1790 Ford Edge
  • C1790 Ford Escape
  • C1790 Ford Escape Hybrid
  • C1790 Ford Escort
  • C1790 Ford Everest
  • C1790 Ford Excursion
  • C1790 Ford Expedition
  • C1790 Ford Explorer
  • C1790 Ford Explorer Sport Trac
  • C1790 Ford F-150
  • C1790 Ford F-250
  • C1790 Ford F-350
  • C1790 Ford Fiesta
  • C1790 Ford Flex
  • C1790 Ford Focus
  • C1790 Ford Focus Electric
  • C1790 Ford Freestar
  • C1790 Ford Freestyle
  • C1790 Ford Fusion
  • C1790 Ford Fusion Energi
  • C1790 Ford Fusion Hybrid
  • C1790 Ford Fusion Plug-In Hybrid
  • C1790 Ford GT
  • C1790 Ford Mustang
  • C1790 Ford Mustang Mach-E
  • C1790 Ford Mystique
  • C1790 Ford Probe
  • C1790 Ford Ranger
  • C1790 Ford Taurus
  • C1790 Ford Taurus X
  • C1790 Ford Tempo
  • C1790 Ford Thunderbird
  • C1790 Ford Transit
  • C1790 Ford Transit Connect
  • C1790 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.