B3794

B3794 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3794 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 B3794 Fault Code Meaning :

Ford B3794 Symptoms :

Ford B3794 Reasons :

How To Fix Ford B3794 Trouble Code ?

Which Ford cars have the code B3794?

  • B3794 Ford Aerostar
  • B3794 Ford Bronco
  • B3794 Ford C-Max
  • B3794 Ford C-Max Energi
  • B3794 Ford C-Max Hybrid
  • B3794 Ford Contour
  • B3794 Ford Crown Victoria
  • B3794 Ford EcoSport
  • B3794 Ford Econoline
  • B3794 Ford Edge
  • B3794 Ford Escape
  • B3794 Ford Escape Hybrid
  • B3794 Ford Escort
  • B3794 Ford Everest
  • B3794 Ford Excursion
  • B3794 Ford Expedition
  • B3794 Ford Explorer
  • B3794 Ford Explorer Sport Trac
  • B3794 Ford F-150
  • B3794 Ford F-250
  • B3794 Ford F-350
  • B3794 Ford Fiesta
  • B3794 Ford Flex
  • B3794 Ford Focus
  • B3794 Ford Focus Electric
  • B3794 Ford Freestar
  • B3794 Ford Freestyle
  • B3794 Ford Fusion
  • B3794 Ford Fusion Energi
  • B3794 Ford Fusion Hybrid
  • B3794 Ford Fusion Plug-In Hybrid
  • B3794 Ford GT
  • B3794 Ford Mustang
  • B3794 Ford Mustang Mach-E
  • B3794 Ford Mystique
  • B3794 Ford Probe
  • B3794 Ford Ranger
  • B3794 Ford Taurus
  • B3794 Ford Taurus X
  • B3794 Ford Tempo
  • B3794 Ford Thunderbird
  • B3794 Ford Transit
  • B3794 Ford Transit Connect
  • B3794 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.