P40B1

P40B1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P40B1 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open 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 P40B1 Fault Code Meaning :

Ford P40B1 Symptoms :

Ford P40B1 Reasons :

How To Fix Ford P40B1 Trouble Code ?

Which Ford cars have the code P40B1?

  • P40B1 Ford Aerostar
  • P40B1 Ford Bronco
  • P40B1 Ford C-Max
  • P40B1 Ford C-Max Energi
  • P40B1 Ford C-Max Hybrid
  • P40B1 Ford Contour
  • P40B1 Ford Crown Victoria
  • P40B1 Ford EcoSport
  • P40B1 Ford Econoline
  • P40B1 Ford Edge
  • P40B1 Ford Escape
  • P40B1 Ford Escape Hybrid
  • P40B1 Ford Escort
  • P40B1 Ford Everest
  • P40B1 Ford Excursion
  • P40B1 Ford Expedition
  • P40B1 Ford Explorer
  • P40B1 Ford Explorer Sport Trac
  • P40B1 Ford F-150
  • P40B1 Ford F-250
  • P40B1 Ford F-350
  • P40B1 Ford Fiesta
  • P40B1 Ford Flex
  • P40B1 Ford Focus
  • P40B1 Ford Focus Electric
  • P40B1 Ford Freestar
  • P40B1 Ford Freestyle
  • P40B1 Ford Fusion
  • P40B1 Ford Fusion Energi
  • P40B1 Ford Fusion Hybrid
  • P40B1 Ford Fusion Plug-In Hybrid
  • P40B1 Ford GT
  • P40B1 Ford Mustang
  • P40B1 Ford Mustang Mach-E
  • P40B1 Ford Mystique
  • P40B1 Ford Probe
  • P40B1 Ford Ranger
  • P40B1 Ford Taurus
  • P40B1 Ford Taurus X
  • P40B1 Ford Tempo
  • P40B1 Ford Thunderbird
  • P40B1 Ford Transit
  • P40B1 Ford Transit Connect
  • P40B1 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.