U0409

U0409 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0409 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 U0409 Fault Code Meaning :

Ford U0409 Symptoms :

Ford U0409 Reasons :

How To Fix Ford U0409 Trouble Code ?

Which Ford cars have the code U0409?

  • U0409 Ford Aerostar
  • U0409 Ford Bronco
  • U0409 Ford C-Max
  • U0409 Ford C-Max Energi
  • U0409 Ford C-Max Hybrid
  • U0409 Ford Contour
  • U0409 Ford Crown Victoria
  • U0409 Ford EcoSport
  • U0409 Ford Econoline
  • U0409 Ford Edge
  • U0409 Ford Escape
  • U0409 Ford Escape Hybrid
  • U0409 Ford Escort
  • U0409 Ford Everest
  • U0409 Ford Excursion
  • U0409 Ford Expedition
  • U0409 Ford Explorer
  • U0409 Ford Explorer Sport Trac
  • U0409 Ford F-150
  • U0409 Ford F-250
  • U0409 Ford F-350
  • U0409 Ford Fiesta
  • U0409 Ford Flex
  • U0409 Ford Focus
  • U0409 Ford Focus Electric
  • U0409 Ford Freestar
  • U0409 Ford Freestyle
  • U0409 Ford Fusion
  • U0409 Ford Fusion Energi
  • U0409 Ford Fusion Hybrid
  • U0409 Ford Fusion Plug-In Hybrid
  • U0409 Ford GT
  • U0409 Ford Mustang
  • U0409 Ford Mustang Mach-E
  • U0409 Ford Mystique
  • U0409 Ford Probe
  • U0409 Ford Ranger
  • U0409 Ford Taurus
  • U0409 Ford Taurus X
  • U0409 Ford Tempo
  • U0409 Ford Thunderbird
  • U0409 Ford Transit
  • U0409 Ford Transit Connect
  • U0409 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.