U1631

U1631 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1631 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 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 U1631 Fault Code Meaning :

Ford U1631 Symptoms :

Ford U1631 Reasons :

How To Fix Ford U1631 Trouble Code ?

Which Ford cars have the code U1631?

  • U1631 Ford Aerostar
  • U1631 Ford Bronco
  • U1631 Ford C-Max
  • U1631 Ford C-Max Energi
  • U1631 Ford C-Max Hybrid
  • U1631 Ford Contour
  • U1631 Ford Crown Victoria
  • U1631 Ford EcoSport
  • U1631 Ford Econoline
  • U1631 Ford Edge
  • U1631 Ford Escape
  • U1631 Ford Escape Hybrid
  • U1631 Ford Escort
  • U1631 Ford Everest
  • U1631 Ford Excursion
  • U1631 Ford Expedition
  • U1631 Ford Explorer
  • U1631 Ford Explorer Sport Trac
  • U1631 Ford F-150
  • U1631 Ford F-250
  • U1631 Ford F-350
  • U1631 Ford Fiesta
  • U1631 Ford Flex
  • U1631 Ford Focus
  • U1631 Ford Focus Electric
  • U1631 Ford Freestar
  • U1631 Ford Freestyle
  • U1631 Ford Fusion
  • U1631 Ford Fusion Energi
  • U1631 Ford Fusion Hybrid
  • U1631 Ford Fusion Plug-In Hybrid
  • U1631 Ford GT
  • U1631 Ford Mustang
  • U1631 Ford Mustang Mach-E
  • U1631 Ford Mystique
  • U1631 Ford Probe
  • U1631 Ford Ranger
  • U1631 Ford Taurus
  • U1631 Ford Taurus X
  • U1631 Ford Tempo
  • U1631 Ford Thunderbird
  • U1631 Ford Transit
  • U1631 Ford Transit Connect
  • U1631 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.