P40B2

P40B2 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P40B2 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford P40B2 Fault Code Meaning :

Ford P40B2 Symptoms :

Ford P40B2 Reasons :

How To Fix Ford P40B2 Trouble Code ?

Which Ford cars have the code P40B2?

  • P40B2 Ford Aerostar
  • P40B2 Ford Bronco
  • P40B2 Ford C-Max
  • P40B2 Ford C-Max Energi
  • P40B2 Ford C-Max Hybrid
  • P40B2 Ford Contour
  • P40B2 Ford Crown Victoria
  • P40B2 Ford EcoSport
  • P40B2 Ford Econoline
  • P40B2 Ford Edge
  • P40B2 Ford Escape
  • P40B2 Ford Escape Hybrid
  • P40B2 Ford Escort
  • P40B2 Ford Everest
  • P40B2 Ford Excursion
  • P40B2 Ford Expedition
  • P40B2 Ford Explorer
  • P40B2 Ford Explorer Sport Trac
  • P40B2 Ford F-150
  • P40B2 Ford F-250
  • P40B2 Ford F-350
  • P40B2 Ford Fiesta
  • P40B2 Ford Flex
  • P40B2 Ford Focus
  • P40B2 Ford Focus Electric
  • P40B2 Ford Freestar
  • P40B2 Ford Freestyle
  • P40B2 Ford Fusion
  • P40B2 Ford Fusion Energi
  • P40B2 Ford Fusion Hybrid
  • P40B2 Ford Fusion Plug-In Hybrid
  • P40B2 Ford GT
  • P40B2 Ford Mustang
  • P40B2 Ford Mustang Mach-E
  • P40B2 Ford Mystique
  • P40B2 Ford Probe
  • P40B2 Ford Ranger
  • P40B2 Ford Taurus
  • P40B2 Ford Taurus X
  • P40B2 Ford Tempo
  • P40B2 Ford Thunderbird
  • P40B2 Ford Transit
  • P40B2 Ford Transit Connect
  • P40B2 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.