B0304

B0304 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0304 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 B0304 Fault Code Meaning :

Ford B0304 Symptoms :

Ford B0304 Reasons :

How To Fix Ford B0304 Trouble Code ?

Which Ford cars have the code B0304?

  • B0304 Ford Aerostar
  • B0304 Ford Bronco
  • B0304 Ford C-Max
  • B0304 Ford C-Max Energi
  • B0304 Ford C-Max Hybrid
  • B0304 Ford Contour
  • B0304 Ford Crown Victoria
  • B0304 Ford EcoSport
  • B0304 Ford Econoline
  • B0304 Ford Edge
  • B0304 Ford Escape
  • B0304 Ford Escape Hybrid
  • B0304 Ford Escort
  • B0304 Ford Everest
  • B0304 Ford Excursion
  • B0304 Ford Expedition
  • B0304 Ford Explorer
  • B0304 Ford Explorer Sport Trac
  • B0304 Ford F-150
  • B0304 Ford F-250
  • B0304 Ford F-350
  • B0304 Ford Fiesta
  • B0304 Ford Flex
  • B0304 Ford Focus
  • B0304 Ford Focus Electric
  • B0304 Ford Freestar
  • B0304 Ford Freestyle
  • B0304 Ford Fusion
  • B0304 Ford Fusion Energi
  • B0304 Ford Fusion Hybrid
  • B0304 Ford Fusion Plug-In Hybrid
  • B0304 Ford GT
  • B0304 Ford Mustang
  • B0304 Ford Mustang Mach-E
  • B0304 Ford Mystique
  • B0304 Ford Probe
  • B0304 Ford Ranger
  • B0304 Ford Taurus
  • B0304 Ford Taurus X
  • B0304 Ford Tempo
  • B0304 Ford Thunderbird
  • B0304 Ford Transit
  • B0304 Ford Transit Connect
  • B0304 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.