C3874

C3874 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3874 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.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford C3874 Fault Code Meaning :

Ford C3874 Symptoms :

Ford C3874 Reasons :

How To Fix Ford C3874 Trouble Code ?

Which Ford cars have the code C3874?

  • C3874 Ford Aerostar
  • C3874 Ford Bronco
  • C3874 Ford C-Max
  • C3874 Ford C-Max Energi
  • C3874 Ford C-Max Hybrid
  • C3874 Ford Contour
  • C3874 Ford Crown Victoria
  • C3874 Ford EcoSport
  • C3874 Ford Econoline
  • C3874 Ford Edge
  • C3874 Ford Escape
  • C3874 Ford Escape Hybrid
  • C3874 Ford Escort
  • C3874 Ford Everest
  • C3874 Ford Excursion
  • C3874 Ford Expedition
  • C3874 Ford Explorer
  • C3874 Ford Explorer Sport Trac
  • C3874 Ford F-150
  • C3874 Ford F-250
  • C3874 Ford F-350
  • C3874 Ford Fiesta
  • C3874 Ford Flex
  • C3874 Ford Focus
  • C3874 Ford Focus Electric
  • C3874 Ford Freestar
  • C3874 Ford Freestyle
  • C3874 Ford Fusion
  • C3874 Ford Fusion Energi
  • C3874 Ford Fusion Hybrid
  • C3874 Ford Fusion Plug-In Hybrid
  • C3874 Ford GT
  • C3874 Ford Mustang
  • C3874 Ford Mustang Mach-E
  • C3874 Ford Mystique
  • C3874 Ford Probe
  • C3874 Ford Ranger
  • C3874 Ford Taurus
  • C3874 Ford Taurus X
  • C3874 Ford Tempo
  • C3874 Ford Thunderbird
  • C3874 Ford Transit
  • C3874 Ford Transit Connect
  • C3874 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.