P9D42

P9D42 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P9D42 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 P9D42 Fault Code Meaning :

Ford P9D42 Symptoms :

Ford P9D42 Reasons :

How To Fix Ford P9D42 Trouble Code ?

Which Ford cars have the code P9D42?

  • P9D42 Ford Aerostar
  • P9D42 Ford Bronco
  • P9D42 Ford C-Max
  • P9D42 Ford C-Max Energi
  • P9D42 Ford C-Max Hybrid
  • P9D42 Ford Contour
  • P9D42 Ford Crown Victoria
  • P9D42 Ford EcoSport
  • P9D42 Ford Econoline
  • P9D42 Ford Edge
  • P9D42 Ford Escape
  • P9D42 Ford Escape Hybrid
  • P9D42 Ford Escort
  • P9D42 Ford Everest
  • P9D42 Ford Excursion
  • P9D42 Ford Expedition
  • P9D42 Ford Explorer
  • P9D42 Ford Explorer Sport Trac
  • P9D42 Ford F-150
  • P9D42 Ford F-250
  • P9D42 Ford F-350
  • P9D42 Ford Fiesta
  • P9D42 Ford Flex
  • P9D42 Ford Focus
  • P9D42 Ford Focus Electric
  • P9D42 Ford Freestar
  • P9D42 Ford Freestyle
  • P9D42 Ford Fusion
  • P9D42 Ford Fusion Energi
  • P9D42 Ford Fusion Hybrid
  • P9D42 Ford Fusion Plug-In Hybrid
  • P9D42 Ford GT
  • P9D42 Ford Mustang
  • P9D42 Ford Mustang Mach-E
  • P9D42 Ford Mystique
  • P9D42 Ford Probe
  • P9D42 Ford Ranger
  • P9D42 Ford Taurus
  • P9D42 Ford Taurus X
  • P9D42 Ford Tempo
  • P9D42 Ford Thunderbird
  • P9D42 Ford Transit
  • P9D42 Ford Transit Connect
  • P9D42 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.