U3790

U3790 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3790 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short 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.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford U3790 Fault Code Meaning :

Ford U3790 Symptoms :

Ford U3790 Reasons :

How To Fix Ford U3790 Trouble Code ?

Which Ford cars have the code U3790?

  • U3790 Ford Aerostar
  • U3790 Ford Bronco
  • U3790 Ford C-Max
  • U3790 Ford C-Max Energi
  • U3790 Ford C-Max Hybrid
  • U3790 Ford Contour
  • U3790 Ford Crown Victoria
  • U3790 Ford EcoSport
  • U3790 Ford Econoline
  • U3790 Ford Edge
  • U3790 Ford Escape
  • U3790 Ford Escape Hybrid
  • U3790 Ford Escort
  • U3790 Ford Everest
  • U3790 Ford Excursion
  • U3790 Ford Expedition
  • U3790 Ford Explorer
  • U3790 Ford Explorer Sport Trac
  • U3790 Ford F-150
  • U3790 Ford F-250
  • U3790 Ford F-350
  • U3790 Ford Fiesta
  • U3790 Ford Flex
  • U3790 Ford Focus
  • U3790 Ford Focus Electric
  • U3790 Ford Freestar
  • U3790 Ford Freestyle
  • U3790 Ford Fusion
  • U3790 Ford Fusion Energi
  • U3790 Ford Fusion Hybrid
  • U3790 Ford Fusion Plug-In Hybrid
  • U3790 Ford GT
  • U3790 Ford Mustang
  • U3790 Ford Mustang Mach-E
  • U3790 Ford Mystique
  • U3790 Ford Probe
  • U3790 Ford Ranger
  • U3790 Ford Taurus
  • U3790 Ford Taurus X
  • U3790 Ford Tempo
  • U3790 Ford Thunderbird
  • U3790 Ford Transit
  • U3790 Ford Transit Connect
  • U3790 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.