U0406

U0406 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0406 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 U0406 Fault Code Meaning :

Ford U0406 Symptoms :

Ford U0406 Reasons :

How To Fix Ford U0406 Trouble Code ?

Which Ford cars have the code U0406?

  • U0406 Ford Aerostar
  • U0406 Ford Bronco
  • U0406 Ford C-Max
  • U0406 Ford C-Max Energi
  • U0406 Ford C-Max Hybrid
  • U0406 Ford Contour
  • U0406 Ford Crown Victoria
  • U0406 Ford EcoSport
  • U0406 Ford Econoline
  • U0406 Ford Edge
  • U0406 Ford Escape
  • U0406 Ford Escape Hybrid
  • U0406 Ford Escort
  • U0406 Ford Everest
  • U0406 Ford Excursion
  • U0406 Ford Expedition
  • U0406 Ford Explorer
  • U0406 Ford Explorer Sport Trac
  • U0406 Ford F-150
  • U0406 Ford F-250
  • U0406 Ford F-350
  • U0406 Ford Fiesta
  • U0406 Ford Flex
  • U0406 Ford Focus
  • U0406 Ford Focus Electric
  • U0406 Ford Freestar
  • U0406 Ford Freestyle
  • U0406 Ford Fusion
  • U0406 Ford Fusion Energi
  • U0406 Ford Fusion Hybrid
  • U0406 Ford Fusion Plug-In Hybrid
  • U0406 Ford GT
  • U0406 Ford Mustang
  • U0406 Ford Mustang Mach-E
  • U0406 Ford Mystique
  • U0406 Ford Probe
  • U0406 Ford Ranger
  • U0406 Ford Taurus
  • U0406 Ford Taurus X
  • U0406 Ford Tempo
  • U0406 Ford Thunderbird
  • U0406 Ford Transit
  • U0406 Ford Transit Connect
  • U0406 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.