B0440

B0440 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0440 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.The wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford B0440 Fault Code Meaning :

Ford B0440 Symptoms :

Ford B0440 Reasons :

How To Fix Ford B0440 Trouble Code ?

Which Ford cars have the code B0440?

  • B0440 Ford Aerostar
  • B0440 Ford Bronco
  • B0440 Ford C-Max
  • B0440 Ford C-Max Energi
  • B0440 Ford C-Max Hybrid
  • B0440 Ford Contour
  • B0440 Ford Crown Victoria
  • B0440 Ford EcoSport
  • B0440 Ford Econoline
  • B0440 Ford Edge
  • B0440 Ford Escape
  • B0440 Ford Escape Hybrid
  • B0440 Ford Escort
  • B0440 Ford Everest
  • B0440 Ford Excursion
  • B0440 Ford Expedition
  • B0440 Ford Explorer
  • B0440 Ford Explorer Sport Trac
  • B0440 Ford F-150
  • B0440 Ford F-250
  • B0440 Ford F-350
  • B0440 Ford Fiesta
  • B0440 Ford Flex
  • B0440 Ford Focus
  • B0440 Ford Focus Electric
  • B0440 Ford Freestar
  • B0440 Ford Freestyle
  • B0440 Ford Fusion
  • B0440 Ford Fusion Energi
  • B0440 Ford Fusion Hybrid
  • B0440 Ford Fusion Plug-In Hybrid
  • B0440 Ford GT
  • B0440 Ford Mustang
  • B0440 Ford Mustang Mach-E
  • B0440 Ford Mystique
  • B0440 Ford Probe
  • B0440 Ford Ranger
  • B0440 Ford Taurus
  • B0440 Ford Taurus X
  • B0440 Ford Tempo
  • B0440 Ford Thunderbird
  • B0440 Ford Transit
  • B0440 Ford Transit Connect
  • B0440 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.