B1843

B1843 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1843 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford B1843 Fault Code Meaning :

Ford B1843 Symptoms :

Ford B1843 Reasons :

How To Fix Ford B1843 Trouble Code ?

Which Ford cars have the code B1843?

  • B1843 Ford Aerostar
  • B1843 Ford Bronco
  • B1843 Ford C-Max
  • B1843 Ford C-Max Energi
  • B1843 Ford C-Max Hybrid
  • B1843 Ford Contour
  • B1843 Ford Crown Victoria
  • B1843 Ford EcoSport
  • B1843 Ford Econoline
  • B1843 Ford Edge
  • B1843 Ford Escape
  • B1843 Ford Escape Hybrid
  • B1843 Ford Escort
  • B1843 Ford Everest
  • B1843 Ford Excursion
  • B1843 Ford Expedition
  • B1843 Ford Explorer
  • B1843 Ford Explorer Sport Trac
  • B1843 Ford F-150
  • B1843 Ford F-250
  • B1843 Ford F-350
  • B1843 Ford Fiesta
  • B1843 Ford Flex
  • B1843 Ford Focus
  • B1843 Ford Focus Electric
  • B1843 Ford Freestar
  • B1843 Ford Freestyle
  • B1843 Ford Fusion
  • B1843 Ford Fusion Energi
  • B1843 Ford Fusion Hybrid
  • B1843 Ford Fusion Plug-In Hybrid
  • B1843 Ford GT
  • B1843 Ford Mustang
  • B1843 Ford Mustang Mach-E
  • B1843 Ford Mystique
  • B1843 Ford Probe
  • B1843 Ford Ranger
  • B1843 Ford Taurus
  • B1843 Ford Taurus X
  • B1843 Ford Tempo
  • B1843 Ford Thunderbird
  • B1843 Ford Transit
  • B1843 Ford Transit Connect
  • B1843 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.