B3390

B3390 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3390 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 B3390 Fault Code Meaning :

Ford B3390 Symptoms :

Ford B3390 Reasons :

How To Fix Ford B3390 Trouble Code ?

Which Ford cars have the code B3390?

  • B3390 Ford Aerostar
  • B3390 Ford Bronco
  • B3390 Ford C-Max
  • B3390 Ford C-Max Energi
  • B3390 Ford C-Max Hybrid
  • B3390 Ford Contour
  • B3390 Ford Crown Victoria
  • B3390 Ford EcoSport
  • B3390 Ford Econoline
  • B3390 Ford Edge
  • B3390 Ford Escape
  • B3390 Ford Escape Hybrid
  • B3390 Ford Escort
  • B3390 Ford Everest
  • B3390 Ford Excursion
  • B3390 Ford Expedition
  • B3390 Ford Explorer
  • B3390 Ford Explorer Sport Trac
  • B3390 Ford F-150
  • B3390 Ford F-250
  • B3390 Ford F-350
  • B3390 Ford Fiesta
  • B3390 Ford Flex
  • B3390 Ford Focus
  • B3390 Ford Focus Electric
  • B3390 Ford Freestar
  • B3390 Ford Freestyle
  • B3390 Ford Fusion
  • B3390 Ford Fusion Energi
  • B3390 Ford Fusion Hybrid
  • B3390 Ford Fusion Plug-In Hybrid
  • B3390 Ford GT
  • B3390 Ford Mustang
  • B3390 Ford Mustang Mach-E
  • B3390 Ford Mystique
  • B3390 Ford Probe
  • B3390 Ford Ranger
  • B3390 Ford Taurus
  • B3390 Ford Taurus X
  • B3390 Ford Tempo
  • B3390 Ford Thunderbird
  • B3390 Ford Transit
  • B3390 Ford Transit Connect
  • B3390 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.