P4D66

P4D66 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4D66 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 OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P4D66 Fault Code Meaning :

Ford P4D66 Symptoms :

Ford P4D66 Reasons :

How To Fix Ford P4D66 Trouble Code ?

Which Ford cars have the code P4D66?

  • P4D66 Ford Aerostar
  • P4D66 Ford Bronco
  • P4D66 Ford C-Max
  • P4D66 Ford C-Max Energi
  • P4D66 Ford C-Max Hybrid
  • P4D66 Ford Contour
  • P4D66 Ford Crown Victoria
  • P4D66 Ford EcoSport
  • P4D66 Ford Econoline
  • P4D66 Ford Edge
  • P4D66 Ford Escape
  • P4D66 Ford Escape Hybrid
  • P4D66 Ford Escort
  • P4D66 Ford Everest
  • P4D66 Ford Excursion
  • P4D66 Ford Expedition
  • P4D66 Ford Explorer
  • P4D66 Ford Explorer Sport Trac
  • P4D66 Ford F-150
  • P4D66 Ford F-250
  • P4D66 Ford F-350
  • P4D66 Ford Fiesta
  • P4D66 Ford Flex
  • P4D66 Ford Focus
  • P4D66 Ford Focus Electric
  • P4D66 Ford Freestar
  • P4D66 Ford Freestyle
  • P4D66 Ford Fusion
  • P4D66 Ford Fusion Energi
  • P4D66 Ford Fusion Hybrid
  • P4D66 Ford Fusion Plug-In Hybrid
  • P4D66 Ford GT
  • P4D66 Ford Mustang
  • P4D66 Ford Mustang Mach-E
  • P4D66 Ford Mystique
  • P4D66 Ford Probe
  • P4D66 Ford Ranger
  • P4D66 Ford Taurus
  • P4D66 Ford Taurus X
  • P4D66 Ford Tempo
  • P4D66 Ford Thunderbird
  • P4D66 Ford Transit
  • P4D66 Ford Transit Connect
  • P4D66 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.