U3402

U3402 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3402 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 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 U3402 Fault Code Meaning :

Ford U3402 Symptoms :

Ford U3402 Reasons :

How To Fix Ford U3402 Trouble Code ?

Which Ford cars have the code U3402?

  • U3402 Ford Aerostar
  • U3402 Ford Bronco
  • U3402 Ford C-Max
  • U3402 Ford C-Max Energi
  • U3402 Ford C-Max Hybrid
  • U3402 Ford Contour
  • U3402 Ford Crown Victoria
  • U3402 Ford EcoSport
  • U3402 Ford Econoline
  • U3402 Ford Edge
  • U3402 Ford Escape
  • U3402 Ford Escape Hybrid
  • U3402 Ford Escort
  • U3402 Ford Everest
  • U3402 Ford Excursion
  • U3402 Ford Expedition
  • U3402 Ford Explorer
  • U3402 Ford Explorer Sport Trac
  • U3402 Ford F-150
  • U3402 Ford F-250
  • U3402 Ford F-350
  • U3402 Ford Fiesta
  • U3402 Ford Flex
  • U3402 Ford Focus
  • U3402 Ford Focus Electric
  • U3402 Ford Freestar
  • U3402 Ford Freestyle
  • U3402 Ford Fusion
  • U3402 Ford Fusion Energi
  • U3402 Ford Fusion Hybrid
  • U3402 Ford Fusion Plug-In Hybrid
  • U3402 Ford GT
  • U3402 Ford Mustang
  • U3402 Ford Mustang Mach-E
  • U3402 Ford Mystique
  • U3402 Ford Probe
  • U3402 Ford Ranger
  • U3402 Ford Taurus
  • U3402 Ford Taurus X
  • U3402 Ford Tempo
  • U3402 Ford Thunderbird
  • U3402 Ford Transit
  • U3402 Ford Transit Connect
  • U3402 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.