B3749

B3749 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3749 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 is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford B3749 Fault Code Meaning :

Ford B3749 Symptoms :

Ford B3749 Reasons :

How To Fix Ford B3749 Trouble Code ?

Which Ford cars have the code B3749?

  • B3749 Ford Aerostar
  • B3749 Ford Bronco
  • B3749 Ford C-Max
  • B3749 Ford C-Max Energi
  • B3749 Ford C-Max Hybrid
  • B3749 Ford Contour
  • B3749 Ford Crown Victoria
  • B3749 Ford EcoSport
  • B3749 Ford Econoline
  • B3749 Ford Edge
  • B3749 Ford Escape
  • B3749 Ford Escape Hybrid
  • B3749 Ford Escort
  • B3749 Ford Everest
  • B3749 Ford Excursion
  • B3749 Ford Expedition
  • B3749 Ford Explorer
  • B3749 Ford Explorer Sport Trac
  • B3749 Ford F-150
  • B3749 Ford F-250
  • B3749 Ford F-350
  • B3749 Ford Fiesta
  • B3749 Ford Flex
  • B3749 Ford Focus
  • B3749 Ford Focus Electric
  • B3749 Ford Freestar
  • B3749 Ford Freestyle
  • B3749 Ford Fusion
  • B3749 Ford Fusion Energi
  • B3749 Ford Fusion Hybrid
  • B3749 Ford Fusion Plug-In Hybrid
  • B3749 Ford GT
  • B3749 Ford Mustang
  • B3749 Ford Mustang Mach-E
  • B3749 Ford Mystique
  • B3749 Ford Probe
  • B3749 Ford Ranger
  • B3749 Ford Taurus
  • B3749 Ford Taurus X
  • B3749 Ford Tempo
  • B3749 Ford Thunderbird
  • B3749 Ford Transit
  • B3749 Ford Transit Connect
  • B3749 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.