P66D1

P66D1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P66D1 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.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 P66D1 Fault Code Meaning :

Ford P66D1 Symptoms :

Ford P66D1 Reasons :

How To Fix Ford P66D1 Trouble Code ?

Which Ford cars have the code P66D1?

  • P66D1 Ford Aerostar
  • P66D1 Ford Bronco
  • P66D1 Ford C-Max
  • P66D1 Ford C-Max Energi
  • P66D1 Ford C-Max Hybrid
  • P66D1 Ford Contour
  • P66D1 Ford Crown Victoria
  • P66D1 Ford EcoSport
  • P66D1 Ford Econoline
  • P66D1 Ford Edge
  • P66D1 Ford Escape
  • P66D1 Ford Escape Hybrid
  • P66D1 Ford Escort
  • P66D1 Ford Everest
  • P66D1 Ford Excursion
  • P66D1 Ford Expedition
  • P66D1 Ford Explorer
  • P66D1 Ford Explorer Sport Trac
  • P66D1 Ford F-150
  • P66D1 Ford F-250
  • P66D1 Ford F-350
  • P66D1 Ford Fiesta
  • P66D1 Ford Flex
  • P66D1 Ford Focus
  • P66D1 Ford Focus Electric
  • P66D1 Ford Freestar
  • P66D1 Ford Freestyle
  • P66D1 Ford Fusion
  • P66D1 Ford Fusion Energi
  • P66D1 Ford Fusion Hybrid
  • P66D1 Ford Fusion Plug-In Hybrid
  • P66D1 Ford GT
  • P66D1 Ford Mustang
  • P66D1 Ford Mustang Mach-E
  • P66D1 Ford Mystique
  • P66D1 Ford Probe
  • P66D1 Ford Ranger
  • P66D1 Ford Taurus
  • P66D1 Ford Taurus X
  • P66D1 Ford Tempo
  • P66D1 Ford Thunderbird
  • P66D1 Ford Transit
  • P66D1 Ford Transit Connect
  • P66D1 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.