B3740

B3740 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3740 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.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 B3740 Fault Code Meaning :

Ford B3740 Symptoms :

Ford B3740 Reasons :

How To Fix Ford B3740 Trouble Code ?

Which Ford cars have the code B3740?

  • B3740 Ford Aerostar
  • B3740 Ford Bronco
  • B3740 Ford C-Max
  • B3740 Ford C-Max Energi
  • B3740 Ford C-Max Hybrid
  • B3740 Ford Contour
  • B3740 Ford Crown Victoria
  • B3740 Ford EcoSport
  • B3740 Ford Econoline
  • B3740 Ford Edge
  • B3740 Ford Escape
  • B3740 Ford Escape Hybrid
  • B3740 Ford Escort
  • B3740 Ford Everest
  • B3740 Ford Excursion
  • B3740 Ford Expedition
  • B3740 Ford Explorer
  • B3740 Ford Explorer Sport Trac
  • B3740 Ford F-150
  • B3740 Ford F-250
  • B3740 Ford F-350
  • B3740 Ford Fiesta
  • B3740 Ford Flex
  • B3740 Ford Focus
  • B3740 Ford Focus Electric
  • B3740 Ford Freestar
  • B3740 Ford Freestyle
  • B3740 Ford Fusion
  • B3740 Ford Fusion Energi
  • B3740 Ford Fusion Hybrid
  • B3740 Ford Fusion Plug-In Hybrid
  • B3740 Ford GT
  • B3740 Ford Mustang
  • B3740 Ford Mustang Mach-E
  • B3740 Ford Mystique
  • B3740 Ford Probe
  • B3740 Ford Ranger
  • B3740 Ford Taurus
  • B3740 Ford Taurus X
  • B3740 Ford Tempo
  • B3740 Ford Thunderbird
  • B3740 Ford Transit
  • B3740 Ford Transit Connect
  • B3740 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.