P7B40

P7B40 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P7B40 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford P7B40 Fault Code Meaning :

Ford P7B40 Symptoms :

Ford P7B40 Reasons :

How To Fix Ford P7B40 Trouble Code ?

Which Ford cars have the code P7B40?

  • P7B40 Ford Aerostar
  • P7B40 Ford Bronco
  • P7B40 Ford C-Max
  • P7B40 Ford C-Max Energi
  • P7B40 Ford C-Max Hybrid
  • P7B40 Ford Contour
  • P7B40 Ford Crown Victoria
  • P7B40 Ford EcoSport
  • P7B40 Ford Econoline
  • P7B40 Ford Edge
  • P7B40 Ford Escape
  • P7B40 Ford Escape Hybrid
  • P7B40 Ford Escort
  • P7B40 Ford Everest
  • P7B40 Ford Excursion
  • P7B40 Ford Expedition
  • P7B40 Ford Explorer
  • P7B40 Ford Explorer Sport Trac
  • P7B40 Ford F-150
  • P7B40 Ford F-250
  • P7B40 Ford F-350
  • P7B40 Ford Fiesta
  • P7B40 Ford Flex
  • P7B40 Ford Focus
  • P7B40 Ford Focus Electric
  • P7B40 Ford Freestar
  • P7B40 Ford Freestyle
  • P7B40 Ford Fusion
  • P7B40 Ford Fusion Energi
  • P7B40 Ford Fusion Hybrid
  • P7B40 Ford Fusion Plug-In Hybrid
  • P7B40 Ford GT
  • P7B40 Ford Mustang
  • P7B40 Ford Mustang Mach-E
  • P7B40 Ford Mystique
  • P7B40 Ford Probe
  • P7B40 Ford Ranger
  • P7B40 Ford Taurus
  • P7B40 Ford Taurus X
  • P7B40 Ford Tempo
  • P7B40 Ford Thunderbird
  • P7B40 Ford Transit
  • P7B40 Ford Transit Connect
  • P7B40 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.