P2789

P2789 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P2789 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 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 P2789 Fault Code Meaning :

Ford P2789 Symptoms :

Ford P2789 Reasons :

How To Fix Ford P2789 Trouble Code ?

Which Ford cars have the code P2789?

  • P2789 Ford Aerostar
  • P2789 Ford Bronco
  • P2789 Ford C-Max
  • P2789 Ford C-Max Energi
  • P2789 Ford C-Max Hybrid
  • P2789 Ford Contour
  • P2789 Ford Crown Victoria
  • P2789 Ford EcoSport
  • P2789 Ford Econoline
  • P2789 Ford Edge
  • P2789 Ford Escape
  • P2789 Ford Escape Hybrid
  • P2789 Ford Escort
  • P2789 Ford Everest
  • P2789 Ford Excursion
  • P2789 Ford Expedition
  • P2789 Ford Explorer
  • P2789 Ford Explorer Sport Trac
  • P2789 Ford F-150
  • P2789 Ford F-250
  • P2789 Ford F-350
  • P2789 Ford Fiesta
  • P2789 Ford Flex
  • P2789 Ford Focus
  • P2789 Ford Focus Electric
  • P2789 Ford Freestar
  • P2789 Ford Freestyle
  • P2789 Ford Fusion
  • P2789 Ford Fusion Energi
  • P2789 Ford Fusion Hybrid
  • P2789 Ford Fusion Plug-In Hybrid
  • P2789 Ford GT
  • P2789 Ford Mustang
  • P2789 Ford Mustang Mach-E
  • P2789 Ford Mystique
  • P2789 Ford Probe
  • P2789 Ford Ranger
  • P2789 Ford Taurus
  • P2789 Ford Taurus X
  • P2789 Ford Tempo
  • P2789 Ford Thunderbird
  • P2789 Ford Transit
  • P2789 Ford Transit Connect
  • P2789 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.