U3677

U3677 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3677 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 U3677 Fault Code Meaning :

Ford U3677 Symptoms :

Ford U3677 Reasons :

How To Fix Ford U3677 Trouble Code ?

Which Ford cars have the code U3677?

  • U3677 Ford Aerostar
  • U3677 Ford Bronco
  • U3677 Ford C-Max
  • U3677 Ford C-Max Energi
  • U3677 Ford C-Max Hybrid
  • U3677 Ford Contour
  • U3677 Ford Crown Victoria
  • U3677 Ford EcoSport
  • U3677 Ford Econoline
  • U3677 Ford Edge
  • U3677 Ford Escape
  • U3677 Ford Escape Hybrid
  • U3677 Ford Escort
  • U3677 Ford Everest
  • U3677 Ford Excursion
  • U3677 Ford Expedition
  • U3677 Ford Explorer
  • U3677 Ford Explorer Sport Trac
  • U3677 Ford F-150
  • U3677 Ford F-250
  • U3677 Ford F-350
  • U3677 Ford Fiesta
  • U3677 Ford Flex
  • U3677 Ford Focus
  • U3677 Ford Focus Electric
  • U3677 Ford Freestar
  • U3677 Ford Freestyle
  • U3677 Ford Fusion
  • U3677 Ford Fusion Energi
  • U3677 Ford Fusion Hybrid
  • U3677 Ford Fusion Plug-In Hybrid
  • U3677 Ford GT
  • U3677 Ford Mustang
  • U3677 Ford Mustang Mach-E
  • U3677 Ford Mystique
  • U3677 Ford Probe
  • U3677 Ford Ranger
  • U3677 Ford Taurus
  • U3677 Ford Taurus X
  • U3677 Ford Tempo
  • U3677 Ford Thunderbird
  • U3677 Ford Transit
  • U3677 Ford Transit Connect
  • U3677 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.