U0377

U0377 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0377 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 U0377 Fault Code Meaning :

Ford U0377 Symptoms :

Ford U0377 Reasons :

How To Fix Ford U0377 Trouble Code ?

Which Ford cars have the code U0377?

  • U0377 Ford Aerostar
  • U0377 Ford Bronco
  • U0377 Ford C-Max
  • U0377 Ford C-Max Energi
  • U0377 Ford C-Max Hybrid
  • U0377 Ford Contour
  • U0377 Ford Crown Victoria
  • U0377 Ford EcoSport
  • U0377 Ford Econoline
  • U0377 Ford Edge
  • U0377 Ford Escape
  • U0377 Ford Escape Hybrid
  • U0377 Ford Escort
  • U0377 Ford Everest
  • U0377 Ford Excursion
  • U0377 Ford Expedition
  • U0377 Ford Explorer
  • U0377 Ford Explorer Sport Trac
  • U0377 Ford F-150
  • U0377 Ford F-250
  • U0377 Ford F-350
  • U0377 Ford Fiesta
  • U0377 Ford Flex
  • U0377 Ford Focus
  • U0377 Ford Focus Electric
  • U0377 Ford Freestar
  • U0377 Ford Freestyle
  • U0377 Ford Fusion
  • U0377 Ford Fusion Energi
  • U0377 Ford Fusion Hybrid
  • U0377 Ford Fusion Plug-In Hybrid
  • U0377 Ford GT
  • U0377 Ford Mustang
  • U0377 Ford Mustang Mach-E
  • U0377 Ford Mystique
  • U0377 Ford Probe
  • U0377 Ford Ranger
  • U0377 Ford Taurus
  • U0377 Ford Taurus X
  • U0377 Ford Tempo
  • U0377 Ford Thunderbird
  • U0377 Ford Transit
  • U0377 Ford Transit Connect
  • U0377 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.