C0904

C0904 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0904 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 C0904 Fault Code Meaning :

Ford C0904 Symptoms :

Ford C0904 Reasons :

How To Fix Ford C0904 Trouble Code ?

Which Ford cars have the code C0904?

  • C0904 Ford Aerostar
  • C0904 Ford Bronco
  • C0904 Ford C-Max
  • C0904 Ford C-Max Energi
  • C0904 Ford C-Max Hybrid
  • C0904 Ford Contour
  • C0904 Ford Crown Victoria
  • C0904 Ford EcoSport
  • C0904 Ford Econoline
  • C0904 Ford Edge
  • C0904 Ford Escape
  • C0904 Ford Escape Hybrid
  • C0904 Ford Escort
  • C0904 Ford Everest
  • C0904 Ford Excursion
  • C0904 Ford Expedition
  • C0904 Ford Explorer
  • C0904 Ford Explorer Sport Trac
  • C0904 Ford F-150
  • C0904 Ford F-250
  • C0904 Ford F-350
  • C0904 Ford Fiesta
  • C0904 Ford Flex
  • C0904 Ford Focus
  • C0904 Ford Focus Electric
  • C0904 Ford Freestar
  • C0904 Ford Freestyle
  • C0904 Ford Fusion
  • C0904 Ford Fusion Energi
  • C0904 Ford Fusion Hybrid
  • C0904 Ford Fusion Plug-In Hybrid
  • C0904 Ford GT
  • C0904 Ford Mustang
  • C0904 Ford Mustang Mach-E
  • C0904 Ford Mystique
  • C0904 Ford Probe
  • C0904 Ford Ranger
  • C0904 Ford Taurus
  • C0904 Ford Taurus X
  • C0904 Ford Tempo
  • C0904 Ford Thunderbird
  • C0904 Ford Transit
  • C0904 Ford Transit Connect
  • C0904 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.