B3815

B3815 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3815 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford B3815 Fault Code Meaning :

Ford B3815 Symptoms :

Ford B3815 Reasons :

How To Fix Ford B3815 Trouble Code ?

Which Ford cars have the code B3815?

  • B3815 Ford Aerostar
  • B3815 Ford Bronco
  • B3815 Ford C-Max
  • B3815 Ford C-Max Energi
  • B3815 Ford C-Max Hybrid
  • B3815 Ford Contour
  • B3815 Ford Crown Victoria
  • B3815 Ford EcoSport
  • B3815 Ford Econoline
  • B3815 Ford Edge
  • B3815 Ford Escape
  • B3815 Ford Escape Hybrid
  • B3815 Ford Escort
  • B3815 Ford Everest
  • B3815 Ford Excursion
  • B3815 Ford Expedition
  • B3815 Ford Explorer
  • B3815 Ford Explorer Sport Trac
  • B3815 Ford F-150
  • B3815 Ford F-250
  • B3815 Ford F-350
  • B3815 Ford Fiesta
  • B3815 Ford Flex
  • B3815 Ford Focus
  • B3815 Ford Focus Electric
  • B3815 Ford Freestar
  • B3815 Ford Freestyle
  • B3815 Ford Fusion
  • B3815 Ford Fusion Energi
  • B3815 Ford Fusion Hybrid
  • B3815 Ford Fusion Plug-In Hybrid
  • B3815 Ford GT
  • B3815 Ford Mustang
  • B3815 Ford Mustang Mach-E
  • B3815 Ford Mystique
  • B3815 Ford Probe
  • B3815 Ford Ranger
  • B3815 Ford Taurus
  • B3815 Ford Taurus X
  • B3815 Ford Tempo
  • B3815 Ford Thunderbird
  • B3815 Ford Transit
  • B3815 Ford Transit Connect
  • B3815 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.