B0804

B0804 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0804 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford B0804 Fault Code Meaning :

Ford B0804 Symptoms :

Ford B0804 Reasons :

How To Fix Ford B0804 Trouble Code ?

Which Ford cars have the code B0804?

  • B0804 Ford Aerostar
  • B0804 Ford Bronco
  • B0804 Ford C-Max
  • B0804 Ford C-Max Energi
  • B0804 Ford C-Max Hybrid
  • B0804 Ford Contour
  • B0804 Ford Crown Victoria
  • B0804 Ford EcoSport
  • B0804 Ford Econoline
  • B0804 Ford Edge
  • B0804 Ford Escape
  • B0804 Ford Escape Hybrid
  • B0804 Ford Escort
  • B0804 Ford Everest
  • B0804 Ford Excursion
  • B0804 Ford Expedition
  • B0804 Ford Explorer
  • B0804 Ford Explorer Sport Trac
  • B0804 Ford F-150
  • B0804 Ford F-250
  • B0804 Ford F-350
  • B0804 Ford Fiesta
  • B0804 Ford Flex
  • B0804 Ford Focus
  • B0804 Ford Focus Electric
  • B0804 Ford Freestar
  • B0804 Ford Freestyle
  • B0804 Ford Fusion
  • B0804 Ford Fusion Energi
  • B0804 Ford Fusion Hybrid
  • B0804 Ford Fusion Plug-In Hybrid
  • B0804 Ford GT
  • B0804 Ford Mustang
  • B0804 Ford Mustang Mach-E
  • B0804 Ford Mystique
  • B0804 Ford Probe
  • B0804 Ford Ranger
  • B0804 Ford Taurus
  • B0804 Ford Taurus X
  • B0804 Ford Tempo
  • B0804 Ford Thunderbird
  • B0804 Ford Transit
  • B0804 Ford Transit Connect
  • B0804 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.