P9B40

P9B40 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P9B40 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P9B40 Fault Code Meaning :

Ford P9B40 Symptoms :

Ford P9B40 Reasons :

How To Fix Ford P9B40 Trouble Code ?

Which Ford cars have the code P9B40?

  • P9B40 Ford Aerostar
  • P9B40 Ford Bronco
  • P9B40 Ford C-Max
  • P9B40 Ford C-Max Energi
  • P9B40 Ford C-Max Hybrid
  • P9B40 Ford Contour
  • P9B40 Ford Crown Victoria
  • P9B40 Ford EcoSport
  • P9B40 Ford Econoline
  • P9B40 Ford Edge
  • P9B40 Ford Escape
  • P9B40 Ford Escape Hybrid
  • P9B40 Ford Escort
  • P9B40 Ford Everest
  • P9B40 Ford Excursion
  • P9B40 Ford Expedition
  • P9B40 Ford Explorer
  • P9B40 Ford Explorer Sport Trac
  • P9B40 Ford F-150
  • P9B40 Ford F-250
  • P9B40 Ford F-350
  • P9B40 Ford Fiesta
  • P9B40 Ford Flex
  • P9B40 Ford Focus
  • P9B40 Ford Focus Electric
  • P9B40 Ford Freestar
  • P9B40 Ford Freestyle
  • P9B40 Ford Fusion
  • P9B40 Ford Fusion Energi
  • P9B40 Ford Fusion Hybrid
  • P9B40 Ford Fusion Plug-In Hybrid
  • P9B40 Ford GT
  • P9B40 Ford Mustang
  • P9B40 Ford Mustang Mach-E
  • P9B40 Ford Mystique
  • P9B40 Ford Probe
  • P9B40 Ford Ranger
  • P9B40 Ford Taurus
  • P9B40 Ford Taurus X
  • P9B40 Ford Tempo
  • P9B40 Ford Thunderbird
  • P9B40 Ford Transit
  • P9B40 Ford Transit Connect
  • P9B40 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.