B1904

B1904 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1904 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open 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 FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford B1904 Fault Code Meaning :

Ford B1904 Symptoms :

Ford B1904 Reasons :

How To Fix Ford B1904 Trouble Code ?

Which Ford cars have the code B1904?

  • B1904 Ford Aerostar
  • B1904 Ford Bronco
  • B1904 Ford C-Max
  • B1904 Ford C-Max Energi
  • B1904 Ford C-Max Hybrid
  • B1904 Ford Contour
  • B1904 Ford Crown Victoria
  • B1904 Ford EcoSport
  • B1904 Ford Econoline
  • B1904 Ford Edge
  • B1904 Ford Escape
  • B1904 Ford Escape Hybrid
  • B1904 Ford Escort
  • B1904 Ford Everest
  • B1904 Ford Excursion
  • B1904 Ford Expedition
  • B1904 Ford Explorer
  • B1904 Ford Explorer Sport Trac
  • B1904 Ford F-150
  • B1904 Ford F-250
  • B1904 Ford F-350
  • B1904 Ford Fiesta
  • B1904 Ford Flex
  • B1904 Ford Focus
  • B1904 Ford Focus Electric
  • B1904 Ford Freestar
  • B1904 Ford Freestyle
  • B1904 Ford Fusion
  • B1904 Ford Fusion Energi
  • B1904 Ford Fusion Hybrid
  • B1904 Ford Fusion Plug-In Hybrid
  • B1904 Ford GT
  • B1904 Ford Mustang
  • B1904 Ford Mustang Mach-E
  • B1904 Ford Mystique
  • B1904 Ford Probe
  • B1904 Ford Ranger
  • B1904 Ford Taurus
  • B1904 Ford Taurus X
  • B1904 Ford Tempo
  • B1904 Ford Thunderbird
  • B1904 Ford Transit
  • B1904 Ford Transit Connect
  • B1904 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.