C3644

C3644 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3644 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 C3644 Fault Code Meaning :

Ford C3644 Symptoms :

Ford C3644 Reasons :

How To Fix Ford C3644 Trouble Code ?

Which Ford cars have the code C3644?

  • C3644 Ford Aerostar
  • C3644 Ford Bronco
  • C3644 Ford C-Max
  • C3644 Ford C-Max Energi
  • C3644 Ford C-Max Hybrid
  • C3644 Ford Contour
  • C3644 Ford Crown Victoria
  • C3644 Ford EcoSport
  • C3644 Ford Econoline
  • C3644 Ford Edge
  • C3644 Ford Escape
  • C3644 Ford Escape Hybrid
  • C3644 Ford Escort
  • C3644 Ford Everest
  • C3644 Ford Excursion
  • C3644 Ford Expedition
  • C3644 Ford Explorer
  • C3644 Ford Explorer Sport Trac
  • C3644 Ford F-150
  • C3644 Ford F-250
  • C3644 Ford F-350
  • C3644 Ford Fiesta
  • C3644 Ford Flex
  • C3644 Ford Focus
  • C3644 Ford Focus Electric
  • C3644 Ford Freestar
  • C3644 Ford Freestyle
  • C3644 Ford Fusion
  • C3644 Ford Fusion Energi
  • C3644 Ford Fusion Hybrid
  • C3644 Ford Fusion Plug-In Hybrid
  • C3644 Ford GT
  • C3644 Ford Mustang
  • C3644 Ford Mustang Mach-E
  • C3644 Ford Mystique
  • C3644 Ford Probe
  • C3644 Ford Ranger
  • C3644 Ford Taurus
  • C3644 Ford Taurus X
  • C3644 Ford Tempo
  • C3644 Ford Thunderbird
  • C3644 Ford Transit
  • C3644 Ford Transit Connect
  • C3644 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.