U3631

U3631 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3631 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 OFF.

The top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford U3631 Fault Code Meaning :

Ford U3631 Symptoms :

Ford U3631 Reasons :

How To Fix Ford U3631 Trouble Code ?

Which Ford cars have the code U3631?

  • U3631 Ford Aerostar
  • U3631 Ford Bronco
  • U3631 Ford C-Max
  • U3631 Ford C-Max Energi
  • U3631 Ford C-Max Hybrid
  • U3631 Ford Contour
  • U3631 Ford Crown Victoria
  • U3631 Ford EcoSport
  • U3631 Ford Econoline
  • U3631 Ford Edge
  • U3631 Ford Escape
  • U3631 Ford Escape Hybrid
  • U3631 Ford Escort
  • U3631 Ford Everest
  • U3631 Ford Excursion
  • U3631 Ford Expedition
  • U3631 Ford Explorer
  • U3631 Ford Explorer Sport Trac
  • U3631 Ford F-150
  • U3631 Ford F-250
  • U3631 Ford F-350
  • U3631 Ford Fiesta
  • U3631 Ford Flex
  • U3631 Ford Focus
  • U3631 Ford Focus Electric
  • U3631 Ford Freestar
  • U3631 Ford Freestyle
  • U3631 Ford Fusion
  • U3631 Ford Fusion Energi
  • U3631 Ford Fusion Hybrid
  • U3631 Ford Fusion Plug-In Hybrid
  • U3631 Ford GT
  • U3631 Ford Mustang
  • U3631 Ford Mustang Mach-E
  • U3631 Ford Mystique
  • U3631 Ford Probe
  • U3631 Ford Ranger
  • U3631 Ford Taurus
  • U3631 Ford Taurus X
  • U3631 Ford Tempo
  • U3631 Ford Thunderbird
  • U3631 Ford Transit
  • U3631 Ford Transit Connect
  • U3631 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.