B0398

B0398 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0398 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 B0398 Fault Code Meaning :

Ford B0398 Symptoms :

Ford B0398 Reasons :

How To Fix Ford B0398 Trouble Code ?

Which Ford cars have the code B0398?

  • B0398 Ford Aerostar
  • B0398 Ford Bronco
  • B0398 Ford C-Max
  • B0398 Ford C-Max Energi
  • B0398 Ford C-Max Hybrid
  • B0398 Ford Contour
  • B0398 Ford Crown Victoria
  • B0398 Ford EcoSport
  • B0398 Ford Econoline
  • B0398 Ford Edge
  • B0398 Ford Escape
  • B0398 Ford Escape Hybrid
  • B0398 Ford Escort
  • B0398 Ford Everest
  • B0398 Ford Excursion
  • B0398 Ford Expedition
  • B0398 Ford Explorer
  • B0398 Ford Explorer Sport Trac
  • B0398 Ford F-150
  • B0398 Ford F-250
  • B0398 Ford F-350
  • B0398 Ford Fiesta
  • B0398 Ford Flex
  • B0398 Ford Focus
  • B0398 Ford Focus Electric
  • B0398 Ford Freestar
  • B0398 Ford Freestyle
  • B0398 Ford Fusion
  • B0398 Ford Fusion Energi
  • B0398 Ford Fusion Hybrid
  • B0398 Ford Fusion Plug-In Hybrid
  • B0398 Ford GT
  • B0398 Ford Mustang
  • B0398 Ford Mustang Mach-E
  • B0398 Ford Mystique
  • B0398 Ford Probe
  • B0398 Ford Ranger
  • B0398 Ford Taurus
  • B0398 Ford Taurus X
  • B0398 Ford Tempo
  • B0398 Ford Thunderbird
  • B0398 Ford Transit
  • B0398 Ford Transit Connect
  • B0398 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.