P66A3

P66A3 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P66A3 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 P66A3 Fault Code Meaning :

Ford P66A3 Symptoms :

Ford P66A3 Reasons :

How To Fix Ford P66A3 Trouble Code ?

Which Ford cars have the code P66A3?

  • P66A3 Ford Aerostar
  • P66A3 Ford Bronco
  • P66A3 Ford C-Max
  • P66A3 Ford C-Max Energi
  • P66A3 Ford C-Max Hybrid
  • P66A3 Ford Contour
  • P66A3 Ford Crown Victoria
  • P66A3 Ford EcoSport
  • P66A3 Ford Econoline
  • P66A3 Ford Edge
  • P66A3 Ford Escape
  • P66A3 Ford Escape Hybrid
  • P66A3 Ford Escort
  • P66A3 Ford Everest
  • P66A3 Ford Excursion
  • P66A3 Ford Expedition
  • P66A3 Ford Explorer
  • P66A3 Ford Explorer Sport Trac
  • P66A3 Ford F-150
  • P66A3 Ford F-250
  • P66A3 Ford F-350
  • P66A3 Ford Fiesta
  • P66A3 Ford Flex
  • P66A3 Ford Focus
  • P66A3 Ford Focus Electric
  • P66A3 Ford Freestar
  • P66A3 Ford Freestyle
  • P66A3 Ford Fusion
  • P66A3 Ford Fusion Energi
  • P66A3 Ford Fusion Hybrid
  • P66A3 Ford Fusion Plug-In Hybrid
  • P66A3 Ford GT
  • P66A3 Ford Mustang
  • P66A3 Ford Mustang Mach-E
  • P66A3 Ford Mystique
  • P66A3 Ford Probe
  • P66A3 Ford Ranger
  • P66A3 Ford Taurus
  • P66A3 Ford Taurus X
  • P66A3 Ford Tempo
  • P66A3 Ford Thunderbird
  • P66A3 Ford Transit
  • P66A3 Ford Transit Connect
  • P66A3 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.