B3040

B3040 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3040 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 B3040 Fault Code Meaning :

Ford B3040 Symptoms :

Ford B3040 Reasons :

How To Fix Ford B3040 Trouble Code ?

Which Ford cars have the code B3040?

  • B3040 Ford Aerostar
  • B3040 Ford Bronco
  • B3040 Ford C-Max
  • B3040 Ford C-Max Energi
  • B3040 Ford C-Max Hybrid
  • B3040 Ford Contour
  • B3040 Ford Crown Victoria
  • B3040 Ford EcoSport
  • B3040 Ford Econoline
  • B3040 Ford Edge
  • B3040 Ford Escape
  • B3040 Ford Escape Hybrid
  • B3040 Ford Escort
  • B3040 Ford Everest
  • B3040 Ford Excursion
  • B3040 Ford Expedition
  • B3040 Ford Explorer
  • B3040 Ford Explorer Sport Trac
  • B3040 Ford F-150
  • B3040 Ford F-250
  • B3040 Ford F-350
  • B3040 Ford Fiesta
  • B3040 Ford Flex
  • B3040 Ford Focus
  • B3040 Ford Focus Electric
  • B3040 Ford Freestar
  • B3040 Ford Freestyle
  • B3040 Ford Fusion
  • B3040 Ford Fusion Energi
  • B3040 Ford Fusion Hybrid
  • B3040 Ford Fusion Plug-In Hybrid
  • B3040 Ford GT
  • B3040 Ford Mustang
  • B3040 Ford Mustang Mach-E
  • B3040 Ford Mystique
  • B3040 Ford Probe
  • B3040 Ford Ranger
  • B3040 Ford Taurus
  • B3040 Ford Taurus X
  • B3040 Ford Tempo
  • B3040 Ford Thunderbird
  • B3040 Ford Transit
  • B3040 Ford Transit Connect
  • B3040 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.