B3894

B3894 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3894 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 B3894 Fault Code Meaning :

Ford B3894 Symptoms :

Ford B3894 Reasons :

How To Fix Ford B3894 Trouble Code ?

Which Ford cars have the code B3894?

  • B3894 Ford Aerostar
  • B3894 Ford Bronco
  • B3894 Ford C-Max
  • B3894 Ford C-Max Energi
  • B3894 Ford C-Max Hybrid
  • B3894 Ford Contour
  • B3894 Ford Crown Victoria
  • B3894 Ford EcoSport
  • B3894 Ford Econoline
  • B3894 Ford Edge
  • B3894 Ford Escape
  • B3894 Ford Escape Hybrid
  • B3894 Ford Escort
  • B3894 Ford Everest
  • B3894 Ford Excursion
  • B3894 Ford Expedition
  • B3894 Ford Explorer
  • B3894 Ford Explorer Sport Trac
  • B3894 Ford F-150
  • B3894 Ford F-250
  • B3894 Ford F-350
  • B3894 Ford Fiesta
  • B3894 Ford Flex
  • B3894 Ford Focus
  • B3894 Ford Focus Electric
  • B3894 Ford Freestar
  • B3894 Ford Freestyle
  • B3894 Ford Fusion
  • B3894 Ford Fusion Energi
  • B3894 Ford Fusion Hybrid
  • B3894 Ford Fusion Plug-In Hybrid
  • B3894 Ford GT
  • B3894 Ford Mustang
  • B3894 Ford Mustang Mach-E
  • B3894 Ford Mystique
  • B3894 Ford Probe
  • B3894 Ford Ranger
  • B3894 Ford Taurus
  • B3894 Ford Taurus X
  • B3894 Ford Tempo
  • B3894 Ford Thunderbird
  • B3894 Ford Transit
  • B3894 Ford Transit Connect
  • B3894 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.