P639D

P639D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P639D Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P639D Fault Code Meaning :

Ford P639D Symptoms :

Ford P639D Reasons :

How To Fix Ford P639D Trouble Code ?

Which Ford cars have the code P639D?

  • P639D Ford Aerostar
  • P639D Ford Bronco
  • P639D Ford C-Max
  • P639D Ford C-Max Energi
  • P639D Ford C-Max Hybrid
  • P639D Ford Contour
  • P639D Ford Crown Victoria
  • P639D Ford EcoSport
  • P639D Ford Econoline
  • P639D Ford Edge
  • P639D Ford Escape
  • P639D Ford Escape Hybrid
  • P639D Ford Escort
  • P639D Ford Everest
  • P639D Ford Excursion
  • P639D Ford Expedition
  • P639D Ford Explorer
  • P639D Ford Explorer Sport Trac
  • P639D Ford F-150
  • P639D Ford F-250
  • P639D Ford F-350
  • P639D Ford Fiesta
  • P639D Ford Flex
  • P639D Ford Focus
  • P639D Ford Focus Electric
  • P639D Ford Freestar
  • P639D Ford Freestyle
  • P639D Ford Fusion
  • P639D Ford Fusion Energi
  • P639D Ford Fusion Hybrid
  • P639D Ford Fusion Plug-In Hybrid
  • P639D Ford GT
  • P639D Ford Mustang
  • P639D Ford Mustang Mach-E
  • P639D Ford Mystique
  • P639D Ford Probe
  • P639D Ford Ranger
  • P639D Ford Taurus
  • P639D Ford Taurus X
  • P639D Ford Tempo
  • P639D Ford Thunderbird
  • P639D Ford Transit
  • P639D Ford Transit Connect
  • P639D 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.