P643C

P643C Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P643C Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.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 P643C Fault Code Meaning :

Ford P643C Symptoms :

Ford P643C Reasons :

How To Fix Ford P643C Trouble Code ?

Which Ford cars have the code P643C?

  • P643C Ford Aerostar
  • P643C Ford Bronco
  • P643C Ford C-Max
  • P643C Ford C-Max Energi
  • P643C Ford C-Max Hybrid
  • P643C Ford Contour
  • P643C Ford Crown Victoria
  • P643C Ford EcoSport
  • P643C Ford Econoline
  • P643C Ford Edge
  • P643C Ford Escape
  • P643C Ford Escape Hybrid
  • P643C Ford Escort
  • P643C Ford Everest
  • P643C Ford Excursion
  • P643C Ford Expedition
  • P643C Ford Explorer
  • P643C Ford Explorer Sport Trac
  • P643C Ford F-150
  • P643C Ford F-250
  • P643C Ford F-350
  • P643C Ford Fiesta
  • P643C Ford Flex
  • P643C Ford Focus
  • P643C Ford Focus Electric
  • P643C Ford Freestar
  • P643C Ford Freestyle
  • P643C Ford Fusion
  • P643C Ford Fusion Energi
  • P643C Ford Fusion Hybrid
  • P643C Ford Fusion Plug-In Hybrid
  • P643C Ford GT
  • P643C Ford Mustang
  • P643C Ford Mustang Mach-E
  • P643C Ford Mystique
  • P643C Ford Probe
  • P643C Ford Ranger
  • P643C Ford Taurus
  • P643C Ford Taurus X
  • P643C Ford Tempo
  • P643C Ford Thunderbird
  • P643C Ford Transit
  • P643C Ford Transit Connect
  • P643C 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.