U0904

U0904 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0904 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 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.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford U0904 Fault Code Meaning :

Ford U0904 Symptoms :

Ford U0904 Reasons :

How To Fix Ford U0904 Trouble Code ?

Which Ford cars have the code U0904?

  • U0904 Ford Aerostar
  • U0904 Ford Bronco
  • U0904 Ford C-Max
  • U0904 Ford C-Max Energi
  • U0904 Ford C-Max Hybrid
  • U0904 Ford Contour
  • U0904 Ford Crown Victoria
  • U0904 Ford EcoSport
  • U0904 Ford Econoline
  • U0904 Ford Edge
  • U0904 Ford Escape
  • U0904 Ford Escape Hybrid
  • U0904 Ford Escort
  • U0904 Ford Everest
  • U0904 Ford Excursion
  • U0904 Ford Expedition
  • U0904 Ford Explorer
  • U0904 Ford Explorer Sport Trac
  • U0904 Ford F-150
  • U0904 Ford F-250
  • U0904 Ford F-350
  • U0904 Ford Fiesta
  • U0904 Ford Flex
  • U0904 Ford Focus
  • U0904 Ford Focus Electric
  • U0904 Ford Freestar
  • U0904 Ford Freestyle
  • U0904 Ford Fusion
  • U0904 Ford Fusion Energi
  • U0904 Ford Fusion Hybrid
  • U0904 Ford Fusion Plug-In Hybrid
  • U0904 Ford GT
  • U0904 Ford Mustang
  • U0904 Ford Mustang Mach-E
  • U0904 Ford Mystique
  • U0904 Ford Probe
  • U0904 Ford Ranger
  • U0904 Ford Taurus
  • U0904 Ford Taurus X
  • U0904 Ford Tempo
  • U0904 Ford Thunderbird
  • U0904 Ford Transit
  • U0904 Ford Transit Connect
  • U0904 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.