C0903

C0903 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0903 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 BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford C0903 Fault Code Meaning :

Ford C0903 Symptoms :

Ford C0903 Reasons :

How To Fix Ford C0903 Trouble Code ?

Which Ford cars have the code C0903?

  • C0903 Ford Aerostar
  • C0903 Ford Bronco
  • C0903 Ford C-Max
  • C0903 Ford C-Max Energi
  • C0903 Ford C-Max Hybrid
  • C0903 Ford Contour
  • C0903 Ford Crown Victoria
  • C0903 Ford EcoSport
  • C0903 Ford Econoline
  • C0903 Ford Edge
  • C0903 Ford Escape
  • C0903 Ford Escape Hybrid
  • C0903 Ford Escort
  • C0903 Ford Everest
  • C0903 Ford Excursion
  • C0903 Ford Expedition
  • C0903 Ford Explorer
  • C0903 Ford Explorer Sport Trac
  • C0903 Ford F-150
  • C0903 Ford F-250
  • C0903 Ford F-350
  • C0903 Ford Fiesta
  • C0903 Ford Flex
  • C0903 Ford Focus
  • C0903 Ford Focus Electric
  • C0903 Ford Freestar
  • C0903 Ford Freestyle
  • C0903 Ford Fusion
  • C0903 Ford Fusion Energi
  • C0903 Ford Fusion Hybrid
  • C0903 Ford Fusion Plug-In Hybrid
  • C0903 Ford GT
  • C0903 Ford Mustang
  • C0903 Ford Mustang Mach-E
  • C0903 Ford Mystique
  • C0903 Ford Probe
  • C0903 Ford Ranger
  • C0903 Ford Taurus
  • C0903 Ford Taurus X
  • C0903 Ford Tempo
  • C0903 Ford Thunderbird
  • C0903 Ford Transit
  • C0903 Ford Transit Connect
  • C0903 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.