B3479

B3479 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3479 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

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

Ford B3479 Fault Code Meaning :

Ford B3479 Symptoms :

Ford B3479 Reasons :

How To Fix Ford B3479 Trouble Code ?

Which Ford cars have the code B3479?

  • B3479 Ford Aerostar
  • B3479 Ford Bronco
  • B3479 Ford C-Max
  • B3479 Ford C-Max Energi
  • B3479 Ford C-Max Hybrid
  • B3479 Ford Contour
  • B3479 Ford Crown Victoria
  • B3479 Ford EcoSport
  • B3479 Ford Econoline
  • B3479 Ford Edge
  • B3479 Ford Escape
  • B3479 Ford Escape Hybrid
  • B3479 Ford Escort
  • B3479 Ford Everest
  • B3479 Ford Excursion
  • B3479 Ford Expedition
  • B3479 Ford Explorer
  • B3479 Ford Explorer Sport Trac
  • B3479 Ford F-150
  • B3479 Ford F-250
  • B3479 Ford F-350
  • B3479 Ford Fiesta
  • B3479 Ford Flex
  • B3479 Ford Focus
  • B3479 Ford Focus Electric
  • B3479 Ford Freestar
  • B3479 Ford Freestyle
  • B3479 Ford Fusion
  • B3479 Ford Fusion Energi
  • B3479 Ford Fusion Hybrid
  • B3479 Ford Fusion Plug-In Hybrid
  • B3479 Ford GT
  • B3479 Ford Mustang
  • B3479 Ford Mustang Mach-E
  • B3479 Ford Mystique
  • B3479 Ford Probe
  • B3479 Ford Ranger
  • B3479 Ford Taurus
  • B3479 Ford Taurus X
  • B3479 Ford Tempo
  • B3479 Ford Thunderbird
  • B3479 Ford Transit
  • B3479 Ford Transit Connect
  • B3479 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.