B3843

B3843 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3843 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 B3843 Fault Code Meaning :

Ford B3843 Symptoms :

Ford B3843 Reasons :

How To Fix Ford B3843 Trouble Code ?

Which Ford cars have the code B3843?

  • B3843 Ford Aerostar
  • B3843 Ford Bronco
  • B3843 Ford C-Max
  • B3843 Ford C-Max Energi
  • B3843 Ford C-Max Hybrid
  • B3843 Ford Contour
  • B3843 Ford Crown Victoria
  • B3843 Ford EcoSport
  • B3843 Ford Econoline
  • B3843 Ford Edge
  • B3843 Ford Escape
  • B3843 Ford Escape Hybrid
  • B3843 Ford Escort
  • B3843 Ford Everest
  • B3843 Ford Excursion
  • B3843 Ford Expedition
  • B3843 Ford Explorer
  • B3843 Ford Explorer Sport Trac
  • B3843 Ford F-150
  • B3843 Ford F-250
  • B3843 Ford F-350
  • B3843 Ford Fiesta
  • B3843 Ford Flex
  • B3843 Ford Focus
  • B3843 Ford Focus Electric
  • B3843 Ford Freestar
  • B3843 Ford Freestyle
  • B3843 Ford Fusion
  • B3843 Ford Fusion Energi
  • B3843 Ford Fusion Hybrid
  • B3843 Ford Fusion Plug-In Hybrid
  • B3843 Ford GT
  • B3843 Ford Mustang
  • B3843 Ford Mustang Mach-E
  • B3843 Ford Mystique
  • B3843 Ford Probe
  • B3843 Ford Ranger
  • B3843 Ford Taurus
  • B3843 Ford Taurus X
  • B3843 Ford Tempo
  • B3843 Ford Thunderbird
  • B3843 Ford Transit
  • B3843 Ford Transit Connect
  • B3843 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.