U0405

U0405 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0405 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 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 U0405 Fault Code Meaning :

Ford U0405 Symptoms :

Ford U0405 Reasons :

How To Fix Ford U0405 Trouble Code ?

Which Ford cars have the code U0405?

  • U0405 Ford Aerostar
  • U0405 Ford Bronco
  • U0405 Ford C-Max
  • U0405 Ford C-Max Energi
  • U0405 Ford C-Max Hybrid
  • U0405 Ford Contour
  • U0405 Ford Crown Victoria
  • U0405 Ford EcoSport
  • U0405 Ford Econoline
  • U0405 Ford Edge
  • U0405 Ford Escape
  • U0405 Ford Escape Hybrid
  • U0405 Ford Escort
  • U0405 Ford Everest
  • U0405 Ford Excursion
  • U0405 Ford Expedition
  • U0405 Ford Explorer
  • U0405 Ford Explorer Sport Trac
  • U0405 Ford F-150
  • U0405 Ford F-250
  • U0405 Ford F-350
  • U0405 Ford Fiesta
  • U0405 Ford Flex
  • U0405 Ford Focus
  • U0405 Ford Focus Electric
  • U0405 Ford Freestar
  • U0405 Ford Freestyle
  • U0405 Ford Fusion
  • U0405 Ford Fusion Energi
  • U0405 Ford Fusion Hybrid
  • U0405 Ford Fusion Plug-In Hybrid
  • U0405 Ford GT
  • U0405 Ford Mustang
  • U0405 Ford Mustang Mach-E
  • U0405 Ford Mystique
  • U0405 Ford Probe
  • U0405 Ford Ranger
  • U0405 Ford Taurus
  • U0405 Ford Taurus X
  • U0405 Ford Tempo
  • U0405 Ford Thunderbird
  • U0405 Ford Transit
  • U0405 Ford Transit Connect
  • U0405 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.