P804A

P804A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P804A 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.

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 P804A Fault Code Meaning :

Ford P804A Symptoms :

Ford P804A Reasons :

How To Fix Ford P804A Trouble Code ?

Which Ford cars have the code P804A?

  • P804A Ford Aerostar
  • P804A Ford Bronco
  • P804A Ford C-Max
  • P804A Ford C-Max Energi
  • P804A Ford C-Max Hybrid
  • P804A Ford Contour
  • P804A Ford Crown Victoria
  • P804A Ford EcoSport
  • P804A Ford Econoline
  • P804A Ford Edge
  • P804A Ford Escape
  • P804A Ford Escape Hybrid
  • P804A Ford Escort
  • P804A Ford Everest
  • P804A Ford Excursion
  • P804A Ford Expedition
  • P804A Ford Explorer
  • P804A Ford Explorer Sport Trac
  • P804A Ford F-150
  • P804A Ford F-250
  • P804A Ford F-350
  • P804A Ford Fiesta
  • P804A Ford Flex
  • P804A Ford Focus
  • P804A Ford Focus Electric
  • P804A Ford Freestar
  • P804A Ford Freestyle
  • P804A Ford Fusion
  • P804A Ford Fusion Energi
  • P804A Ford Fusion Hybrid
  • P804A Ford Fusion Plug-In Hybrid
  • P804A Ford GT
  • P804A Ford Mustang
  • P804A Ford Mustang Mach-E
  • P804A Ford Mystique
  • P804A Ford Probe
  • P804A Ford Ranger
  • P804A Ford Taurus
  • P804A Ford Taurus X
  • P804A Ford Tempo
  • P804A Ford Thunderbird
  • P804A Ford Transit
  • P804A Ford Transit Connect
  • P804A 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.