C3784

C3784 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3784 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.

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 C3784 Fault Code Meaning :

Ford C3784 Symptoms :

Ford C3784 Reasons :

How To Fix Ford C3784 Trouble Code ?

Which Ford cars have the code C3784?

  • C3784 Ford Aerostar
  • C3784 Ford Bronco
  • C3784 Ford C-Max
  • C3784 Ford C-Max Energi
  • C3784 Ford C-Max Hybrid
  • C3784 Ford Contour
  • C3784 Ford Crown Victoria
  • C3784 Ford EcoSport
  • C3784 Ford Econoline
  • C3784 Ford Edge
  • C3784 Ford Escape
  • C3784 Ford Escape Hybrid
  • C3784 Ford Escort
  • C3784 Ford Everest
  • C3784 Ford Excursion
  • C3784 Ford Expedition
  • C3784 Ford Explorer
  • C3784 Ford Explorer Sport Trac
  • C3784 Ford F-150
  • C3784 Ford F-250
  • C3784 Ford F-350
  • C3784 Ford Fiesta
  • C3784 Ford Flex
  • C3784 Ford Focus
  • C3784 Ford Focus Electric
  • C3784 Ford Freestar
  • C3784 Ford Freestyle
  • C3784 Ford Fusion
  • C3784 Ford Fusion Energi
  • C3784 Ford Fusion Hybrid
  • C3784 Ford Fusion Plug-In Hybrid
  • C3784 Ford GT
  • C3784 Ford Mustang
  • C3784 Ford Mustang Mach-E
  • C3784 Ford Mystique
  • C3784 Ford Probe
  • C3784 Ford Ranger
  • C3784 Ford Taurus
  • C3784 Ford Taurus X
  • C3784 Ford Tempo
  • C3784 Ford Thunderbird
  • C3784 Ford Transit
  • C3784 Ford Transit Connect
  • C3784 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.