U3404

U3404 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3404 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 is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford U3404 Fault Code Meaning :

Ford U3404 Symptoms :

Ford U3404 Reasons :

How To Fix Ford U3404 Trouble Code ?

Which Ford cars have the code U3404?

  • U3404 Ford Aerostar
  • U3404 Ford Bronco
  • U3404 Ford C-Max
  • U3404 Ford C-Max Energi
  • U3404 Ford C-Max Hybrid
  • U3404 Ford Contour
  • U3404 Ford Crown Victoria
  • U3404 Ford EcoSport
  • U3404 Ford Econoline
  • U3404 Ford Edge
  • U3404 Ford Escape
  • U3404 Ford Escape Hybrid
  • U3404 Ford Escort
  • U3404 Ford Everest
  • U3404 Ford Excursion
  • U3404 Ford Expedition
  • U3404 Ford Explorer
  • U3404 Ford Explorer Sport Trac
  • U3404 Ford F-150
  • U3404 Ford F-250
  • U3404 Ford F-350
  • U3404 Ford Fiesta
  • U3404 Ford Flex
  • U3404 Ford Focus
  • U3404 Ford Focus Electric
  • U3404 Ford Freestar
  • U3404 Ford Freestyle
  • U3404 Ford Fusion
  • U3404 Ford Fusion Energi
  • U3404 Ford Fusion Hybrid
  • U3404 Ford Fusion Plug-In Hybrid
  • U3404 Ford GT
  • U3404 Ford Mustang
  • U3404 Ford Mustang Mach-E
  • U3404 Ford Mystique
  • U3404 Ford Probe
  • U3404 Ford Ranger
  • U3404 Ford Taurus
  • U3404 Ford Taurus X
  • U3404 Ford Tempo
  • U3404 Ford Thunderbird
  • U3404 Ford Transit
  • U3404 Ford Transit Connect
  • U3404 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.