P40D9

P40D9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P40D9 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 P40D9 Fault Code Meaning :

Ford P40D9 Symptoms :

Ford P40D9 Reasons :

How To Fix Ford P40D9 Trouble Code ?

Which Ford cars have the code P40D9?

  • P40D9 Ford Aerostar
  • P40D9 Ford Bronco
  • P40D9 Ford C-Max
  • P40D9 Ford C-Max Energi
  • P40D9 Ford C-Max Hybrid
  • P40D9 Ford Contour
  • P40D9 Ford Crown Victoria
  • P40D9 Ford EcoSport
  • P40D9 Ford Econoline
  • P40D9 Ford Edge
  • P40D9 Ford Escape
  • P40D9 Ford Escape Hybrid
  • P40D9 Ford Escort
  • P40D9 Ford Everest
  • P40D9 Ford Excursion
  • P40D9 Ford Expedition
  • P40D9 Ford Explorer
  • P40D9 Ford Explorer Sport Trac
  • P40D9 Ford F-150
  • P40D9 Ford F-250
  • P40D9 Ford F-350
  • P40D9 Ford Fiesta
  • P40D9 Ford Flex
  • P40D9 Ford Focus
  • P40D9 Ford Focus Electric
  • P40D9 Ford Freestar
  • P40D9 Ford Freestyle
  • P40D9 Ford Fusion
  • P40D9 Ford Fusion Energi
  • P40D9 Ford Fusion Hybrid
  • P40D9 Ford Fusion Plug-In Hybrid
  • P40D9 Ford GT
  • P40D9 Ford Mustang
  • P40D9 Ford Mustang Mach-E
  • P40D9 Ford Mystique
  • P40D9 Ford Probe
  • P40D9 Ford Ranger
  • P40D9 Ford Taurus
  • P40D9 Ford Taurus X
  • P40D9 Ford Tempo
  • P40D9 Ford Thunderbird
  • P40D9 Ford Transit
  • P40D9 Ford Transit Connect
  • P40D9 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.