B3920

B3920 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3920 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.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford B3920 Fault Code Meaning :

Ford B3920 Symptoms :

Ford B3920 Reasons :

How To Fix Ford B3920 Trouble Code ?

Which Ford cars have the code B3920?

  • B3920 Ford Aerostar
  • B3920 Ford Bronco
  • B3920 Ford C-Max
  • B3920 Ford C-Max Energi
  • B3920 Ford C-Max Hybrid
  • B3920 Ford Contour
  • B3920 Ford Crown Victoria
  • B3920 Ford EcoSport
  • B3920 Ford Econoline
  • B3920 Ford Edge
  • B3920 Ford Escape
  • B3920 Ford Escape Hybrid
  • B3920 Ford Escort
  • B3920 Ford Everest
  • B3920 Ford Excursion
  • B3920 Ford Expedition
  • B3920 Ford Explorer
  • B3920 Ford Explorer Sport Trac
  • B3920 Ford F-150
  • B3920 Ford F-250
  • B3920 Ford F-350
  • B3920 Ford Fiesta
  • B3920 Ford Flex
  • B3920 Ford Focus
  • B3920 Ford Focus Electric
  • B3920 Ford Freestar
  • B3920 Ford Freestyle
  • B3920 Ford Fusion
  • B3920 Ford Fusion Energi
  • B3920 Ford Fusion Hybrid
  • B3920 Ford Fusion Plug-In Hybrid
  • B3920 Ford GT
  • B3920 Ford Mustang
  • B3920 Ford Mustang Mach-E
  • B3920 Ford Mystique
  • B3920 Ford Probe
  • B3920 Ford Ranger
  • B3920 Ford Taurus
  • B3920 Ford Taurus X
  • B3920 Ford Tempo
  • B3920 Ford Thunderbird
  • B3920 Ford Transit
  • B3920 Ford Transit Connect
  • B3920 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.