U3809

U3809 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3809 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 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 U3809 Fault Code Meaning :

Ford U3809 Symptoms :

Ford U3809 Reasons :

How To Fix Ford U3809 Trouble Code ?

Which Ford cars have the code U3809?

  • U3809 Ford Aerostar
  • U3809 Ford Bronco
  • U3809 Ford C-Max
  • U3809 Ford C-Max Energi
  • U3809 Ford C-Max Hybrid
  • U3809 Ford Contour
  • U3809 Ford Crown Victoria
  • U3809 Ford EcoSport
  • U3809 Ford Econoline
  • U3809 Ford Edge
  • U3809 Ford Escape
  • U3809 Ford Escape Hybrid
  • U3809 Ford Escort
  • U3809 Ford Everest
  • U3809 Ford Excursion
  • U3809 Ford Expedition
  • U3809 Ford Explorer
  • U3809 Ford Explorer Sport Trac
  • U3809 Ford F-150
  • U3809 Ford F-250
  • U3809 Ford F-350
  • U3809 Ford Fiesta
  • U3809 Ford Flex
  • U3809 Ford Focus
  • U3809 Ford Focus Electric
  • U3809 Ford Freestar
  • U3809 Ford Freestyle
  • U3809 Ford Fusion
  • U3809 Ford Fusion Energi
  • U3809 Ford Fusion Hybrid
  • U3809 Ford Fusion Plug-In Hybrid
  • U3809 Ford GT
  • U3809 Ford Mustang
  • U3809 Ford Mustang Mach-E
  • U3809 Ford Mystique
  • U3809 Ford Probe
  • U3809 Ford Ranger
  • U3809 Ford Taurus
  • U3809 Ford Taurus X
  • U3809 Ford Tempo
  • U3809 Ford Thunderbird
  • U3809 Ford Transit
  • U3809 Ford Transit Connect
  • U3809 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.