P644A

P644A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P644A 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.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P644A Fault Code Meaning :

Ford P644A Symptoms :

Ford P644A Reasons :

How To Fix Ford P644A Trouble Code ?

Which Ford cars have the code P644A?

  • P644A Ford Aerostar
  • P644A Ford Bronco
  • P644A Ford C-Max
  • P644A Ford C-Max Energi
  • P644A Ford C-Max Hybrid
  • P644A Ford Contour
  • P644A Ford Crown Victoria
  • P644A Ford EcoSport
  • P644A Ford Econoline
  • P644A Ford Edge
  • P644A Ford Escape
  • P644A Ford Escape Hybrid
  • P644A Ford Escort
  • P644A Ford Everest
  • P644A Ford Excursion
  • P644A Ford Expedition
  • P644A Ford Explorer
  • P644A Ford Explorer Sport Trac
  • P644A Ford F-150
  • P644A Ford F-250
  • P644A Ford F-350
  • P644A Ford Fiesta
  • P644A Ford Flex
  • P644A Ford Focus
  • P644A Ford Focus Electric
  • P644A Ford Freestar
  • P644A Ford Freestyle
  • P644A Ford Fusion
  • P644A Ford Fusion Energi
  • P644A Ford Fusion Hybrid
  • P644A Ford Fusion Plug-In Hybrid
  • P644A Ford GT
  • P644A Ford Mustang
  • P644A Ford Mustang Mach-E
  • P644A Ford Mystique
  • P644A Ford Probe
  • P644A Ford Ranger
  • P644A Ford Taurus
  • P644A Ford Taurus X
  • P644A Ford Tempo
  • P644A Ford Thunderbird
  • P644A Ford Transit
  • P644A Ford Transit Connect
  • P644A 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.