U3851

U3851 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3851 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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 U3851 Fault Code Meaning :

Ford U3851 Symptoms :

Ford U3851 Reasons :

How To Fix Ford U3851 Trouble Code ?

Which Ford cars have the code U3851?

  • U3851 Ford Aerostar
  • U3851 Ford Bronco
  • U3851 Ford C-Max
  • U3851 Ford C-Max Energi
  • U3851 Ford C-Max Hybrid
  • U3851 Ford Contour
  • U3851 Ford Crown Victoria
  • U3851 Ford EcoSport
  • U3851 Ford Econoline
  • U3851 Ford Edge
  • U3851 Ford Escape
  • U3851 Ford Escape Hybrid
  • U3851 Ford Escort
  • U3851 Ford Everest
  • U3851 Ford Excursion
  • U3851 Ford Expedition
  • U3851 Ford Explorer
  • U3851 Ford Explorer Sport Trac
  • U3851 Ford F-150
  • U3851 Ford F-250
  • U3851 Ford F-350
  • U3851 Ford Fiesta
  • U3851 Ford Flex
  • U3851 Ford Focus
  • U3851 Ford Focus Electric
  • U3851 Ford Freestar
  • U3851 Ford Freestyle
  • U3851 Ford Fusion
  • U3851 Ford Fusion Energi
  • U3851 Ford Fusion Hybrid
  • U3851 Ford Fusion Plug-In Hybrid
  • U3851 Ford GT
  • U3851 Ford Mustang
  • U3851 Ford Mustang Mach-E
  • U3851 Ford Mystique
  • U3851 Ford Probe
  • U3851 Ford Ranger
  • U3851 Ford Taurus
  • U3851 Ford Taurus X
  • U3851 Ford Tempo
  • U3851 Ford Thunderbird
  • U3851 Ford Transit
  • U3851 Ford Transit Connect
  • U3851 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.