U2979

U2979 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U2979 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 U2979 Fault Code Meaning :

Ford U2979 Symptoms :

Ford U2979 Reasons :

How To Fix Ford U2979 Trouble Code ?

Which Ford cars have the code U2979?

  • U2979 Ford Aerostar
  • U2979 Ford Bronco
  • U2979 Ford C-Max
  • U2979 Ford C-Max Energi
  • U2979 Ford C-Max Hybrid
  • U2979 Ford Contour
  • U2979 Ford Crown Victoria
  • U2979 Ford EcoSport
  • U2979 Ford Econoline
  • U2979 Ford Edge
  • U2979 Ford Escape
  • U2979 Ford Escape Hybrid
  • U2979 Ford Escort
  • U2979 Ford Everest
  • U2979 Ford Excursion
  • U2979 Ford Expedition
  • U2979 Ford Explorer
  • U2979 Ford Explorer Sport Trac
  • U2979 Ford F-150
  • U2979 Ford F-250
  • U2979 Ford F-350
  • U2979 Ford Fiesta
  • U2979 Ford Flex
  • U2979 Ford Focus
  • U2979 Ford Focus Electric
  • U2979 Ford Freestar
  • U2979 Ford Freestyle
  • U2979 Ford Fusion
  • U2979 Ford Fusion Energi
  • U2979 Ford Fusion Hybrid
  • U2979 Ford Fusion Plug-In Hybrid
  • U2979 Ford GT
  • U2979 Ford Mustang
  • U2979 Ford Mustang Mach-E
  • U2979 Ford Mystique
  • U2979 Ford Probe
  • U2979 Ford Ranger
  • U2979 Ford Taurus
  • U2979 Ford Taurus X
  • U2979 Ford Tempo
  • U2979 Ford Thunderbird
  • U2979 Ford Transit
  • U2979 Ford Transit Connect
  • U2979 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.