P666A

P666A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P666A 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 P666A Fault Code Meaning :

Ford P666A Symptoms :

Ford P666A Reasons :

How To Fix Ford P666A Trouble Code ?

Which Ford cars have the code P666A?

  • P666A Ford Aerostar
  • P666A Ford Bronco
  • P666A Ford C-Max
  • P666A Ford C-Max Energi
  • P666A Ford C-Max Hybrid
  • P666A Ford Contour
  • P666A Ford Crown Victoria
  • P666A Ford EcoSport
  • P666A Ford Econoline
  • P666A Ford Edge
  • P666A Ford Escape
  • P666A Ford Escape Hybrid
  • P666A Ford Escort
  • P666A Ford Everest
  • P666A Ford Excursion
  • P666A Ford Expedition
  • P666A Ford Explorer
  • P666A Ford Explorer Sport Trac
  • P666A Ford F-150
  • P666A Ford F-250
  • P666A Ford F-350
  • P666A Ford Fiesta
  • P666A Ford Flex
  • P666A Ford Focus
  • P666A Ford Focus Electric
  • P666A Ford Freestar
  • P666A Ford Freestyle
  • P666A Ford Fusion
  • P666A Ford Fusion Energi
  • P666A Ford Fusion Hybrid
  • P666A Ford Fusion Plug-In Hybrid
  • P666A Ford GT
  • P666A Ford Mustang
  • P666A Ford Mustang Mach-E
  • P666A Ford Mystique
  • P666A Ford Probe
  • P666A Ford Ranger
  • P666A Ford Taurus
  • P666A Ford Taurus X
  • P666A Ford Tempo
  • P666A Ford Thunderbird
  • P666A Ford Transit
  • P666A Ford Transit Connect
  • P666A 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.