P8B40

P8B40 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P8B40 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford P8B40 Fault Code Meaning :

Ford P8B40 Symptoms :

Ford P8B40 Reasons :

How To Fix Ford P8B40 Trouble Code ?

Which Ford cars have the code P8B40?

  • P8B40 Ford Aerostar
  • P8B40 Ford Bronco
  • P8B40 Ford C-Max
  • P8B40 Ford C-Max Energi
  • P8B40 Ford C-Max Hybrid
  • P8B40 Ford Contour
  • P8B40 Ford Crown Victoria
  • P8B40 Ford EcoSport
  • P8B40 Ford Econoline
  • P8B40 Ford Edge
  • P8B40 Ford Escape
  • P8B40 Ford Escape Hybrid
  • P8B40 Ford Escort
  • P8B40 Ford Everest
  • P8B40 Ford Excursion
  • P8B40 Ford Expedition
  • P8B40 Ford Explorer
  • P8B40 Ford Explorer Sport Trac
  • P8B40 Ford F-150
  • P8B40 Ford F-250
  • P8B40 Ford F-350
  • P8B40 Ford Fiesta
  • P8B40 Ford Flex
  • P8B40 Ford Focus
  • P8B40 Ford Focus Electric
  • P8B40 Ford Freestar
  • P8B40 Ford Freestyle
  • P8B40 Ford Fusion
  • P8B40 Ford Fusion Energi
  • P8B40 Ford Fusion Hybrid
  • P8B40 Ford Fusion Plug-In Hybrid
  • P8B40 Ford GT
  • P8B40 Ford Mustang
  • P8B40 Ford Mustang Mach-E
  • P8B40 Ford Mystique
  • P8B40 Ford Probe
  • P8B40 Ford Ranger
  • P8B40 Ford Taurus
  • P8B40 Ford Taurus X
  • P8B40 Ford Tempo
  • P8B40 Ford Thunderbird
  • P8B40 Ford Transit
  • P8B40 Ford Transit Connect
  • P8B40 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.