U279U

U279U Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U279U 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 BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford U279U Fault Code Meaning :

Ford U279U Symptoms :

Ford U279U Reasons :

How To Fix Ford U279U Trouble Code ?

Which Ford cars have the code U279U?

  • U279U Ford Aerostar
  • U279U Ford Bronco
  • U279U Ford C-Max
  • U279U Ford C-Max Energi
  • U279U Ford C-Max Hybrid
  • U279U Ford Contour
  • U279U Ford Crown Victoria
  • U279U Ford EcoSport
  • U279U Ford Econoline
  • U279U Ford Edge
  • U279U Ford Escape
  • U279U Ford Escape Hybrid
  • U279U Ford Escort
  • U279U Ford Everest
  • U279U Ford Excursion
  • U279U Ford Expedition
  • U279U Ford Explorer
  • U279U Ford Explorer Sport Trac
  • U279U Ford F-150
  • U279U Ford F-250
  • U279U Ford F-350
  • U279U Ford Fiesta
  • U279U Ford Flex
  • U279U Ford Focus
  • U279U Ford Focus Electric
  • U279U Ford Freestar
  • U279U Ford Freestyle
  • U279U Ford Fusion
  • U279U Ford Fusion Energi
  • U279U Ford Fusion Hybrid
  • U279U Ford Fusion Plug-In Hybrid
  • U279U Ford GT
  • U279U Ford Mustang
  • U279U Ford Mustang Mach-E
  • U279U Ford Mystique
  • U279U Ford Probe
  • U279U Ford Ranger
  • U279U Ford Taurus
  • U279U Ford Taurus X
  • U279U Ford Tempo
  • U279U Ford Thunderbird
  • U279U Ford Transit
  • U279U Ford Transit Connect
  • U279U 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.