U0843

U0843 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0843 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 U0843 Fault Code Meaning :

Ford U0843 Symptoms :

Ford U0843 Reasons :

How To Fix Ford U0843 Trouble Code ?

Which Ford cars have the code U0843?

  • U0843 Ford Aerostar
  • U0843 Ford Bronco
  • U0843 Ford C-Max
  • U0843 Ford C-Max Energi
  • U0843 Ford C-Max Hybrid
  • U0843 Ford Contour
  • U0843 Ford Crown Victoria
  • U0843 Ford EcoSport
  • U0843 Ford Econoline
  • U0843 Ford Edge
  • U0843 Ford Escape
  • U0843 Ford Escape Hybrid
  • U0843 Ford Escort
  • U0843 Ford Everest
  • U0843 Ford Excursion
  • U0843 Ford Expedition
  • U0843 Ford Explorer
  • U0843 Ford Explorer Sport Trac
  • U0843 Ford F-150
  • U0843 Ford F-250
  • U0843 Ford F-350
  • U0843 Ford Fiesta
  • U0843 Ford Flex
  • U0843 Ford Focus
  • U0843 Ford Focus Electric
  • U0843 Ford Freestar
  • U0843 Ford Freestyle
  • U0843 Ford Fusion
  • U0843 Ford Fusion Energi
  • U0843 Ford Fusion Hybrid
  • U0843 Ford Fusion Plug-In Hybrid
  • U0843 Ford GT
  • U0843 Ford Mustang
  • U0843 Ford Mustang Mach-E
  • U0843 Ford Mystique
  • U0843 Ford Probe
  • U0843 Ford Ranger
  • U0843 Ford Taurus
  • U0843 Ford Taurus X
  • U0843 Ford Tempo
  • U0843 Ford Thunderbird
  • U0843 Ford Transit
  • U0843 Ford Transit Connect
  • U0843 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.