U3873

U3873 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3873 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 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 End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford U3873 Fault Code Meaning :

Ford U3873 Symptoms :

Ford U3873 Reasons :

How To Fix Ford U3873 Trouble Code ?

Which Ford cars have the code U3873?

  • U3873 Ford Aerostar
  • U3873 Ford Bronco
  • U3873 Ford C-Max
  • U3873 Ford C-Max Energi
  • U3873 Ford C-Max Hybrid
  • U3873 Ford Contour
  • U3873 Ford Crown Victoria
  • U3873 Ford EcoSport
  • U3873 Ford Econoline
  • U3873 Ford Edge
  • U3873 Ford Escape
  • U3873 Ford Escape Hybrid
  • U3873 Ford Escort
  • U3873 Ford Everest
  • U3873 Ford Excursion
  • U3873 Ford Expedition
  • U3873 Ford Explorer
  • U3873 Ford Explorer Sport Trac
  • U3873 Ford F-150
  • U3873 Ford F-250
  • U3873 Ford F-350
  • U3873 Ford Fiesta
  • U3873 Ford Flex
  • U3873 Ford Focus
  • U3873 Ford Focus Electric
  • U3873 Ford Freestar
  • U3873 Ford Freestyle
  • U3873 Ford Fusion
  • U3873 Ford Fusion Energi
  • U3873 Ford Fusion Hybrid
  • U3873 Ford Fusion Plug-In Hybrid
  • U3873 Ford GT
  • U3873 Ford Mustang
  • U3873 Ford Mustang Mach-E
  • U3873 Ford Mystique
  • U3873 Ford Probe
  • U3873 Ford Ranger
  • U3873 Ford Taurus
  • U3873 Ford Taurus X
  • U3873 Ford Tempo
  • U3873 Ford Thunderbird
  • U3873 Ford Transit
  • U3873 Ford Transit Connect
  • U3873 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.