B12B3

B12B3 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B12B3 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 B12B3 Fault Code Meaning :

Ford B12B3 Symptoms :

Ford B12B3 Reasons :

How To Fix Ford B12B3 Trouble Code ?

Which Ford cars have the code B12B3?

  • B12B3 Ford Aerostar
  • B12B3 Ford Bronco
  • B12B3 Ford C-Max
  • B12B3 Ford C-Max Energi
  • B12B3 Ford C-Max Hybrid
  • B12B3 Ford Contour
  • B12B3 Ford Crown Victoria
  • B12B3 Ford EcoSport
  • B12B3 Ford Econoline
  • B12B3 Ford Edge
  • B12B3 Ford Escape
  • B12B3 Ford Escape Hybrid
  • B12B3 Ford Escort
  • B12B3 Ford Everest
  • B12B3 Ford Excursion
  • B12B3 Ford Expedition
  • B12B3 Ford Explorer
  • B12B3 Ford Explorer Sport Trac
  • B12B3 Ford F-150
  • B12B3 Ford F-250
  • B12B3 Ford F-350
  • B12B3 Ford Fiesta
  • B12B3 Ford Flex
  • B12B3 Ford Focus
  • B12B3 Ford Focus Electric
  • B12B3 Ford Freestar
  • B12B3 Ford Freestyle
  • B12B3 Ford Fusion
  • B12B3 Ford Fusion Energi
  • B12B3 Ford Fusion Hybrid
  • B12B3 Ford Fusion Plug-In Hybrid
  • B12B3 Ford GT
  • B12B3 Ford Mustang
  • B12B3 Ford Mustang Mach-E
  • B12B3 Ford Mystique
  • B12B3 Ford Probe
  • B12B3 Ford Ranger
  • B12B3 Ford Taurus
  • B12B3 Ford Taurus X
  • B12B3 Ford Tempo
  • B12B3 Ford Thunderbird
  • B12B3 Ford Transit
  • B12B3 Ford Transit Connect
  • B12B3 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.