U3544

U3544 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3544 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 U3544 Fault Code Meaning :

Ford U3544 Symptoms :

Ford U3544 Reasons :

How To Fix Ford U3544 Trouble Code ?

Which Ford cars have the code U3544?

  • U3544 Ford Aerostar
  • U3544 Ford Bronco
  • U3544 Ford C-Max
  • U3544 Ford C-Max Energi
  • U3544 Ford C-Max Hybrid
  • U3544 Ford Contour
  • U3544 Ford Crown Victoria
  • U3544 Ford EcoSport
  • U3544 Ford Econoline
  • U3544 Ford Edge
  • U3544 Ford Escape
  • U3544 Ford Escape Hybrid
  • U3544 Ford Escort
  • U3544 Ford Everest
  • U3544 Ford Excursion
  • U3544 Ford Expedition
  • U3544 Ford Explorer
  • U3544 Ford Explorer Sport Trac
  • U3544 Ford F-150
  • U3544 Ford F-250
  • U3544 Ford F-350
  • U3544 Ford Fiesta
  • U3544 Ford Flex
  • U3544 Ford Focus
  • U3544 Ford Focus Electric
  • U3544 Ford Freestar
  • U3544 Ford Freestyle
  • U3544 Ford Fusion
  • U3544 Ford Fusion Energi
  • U3544 Ford Fusion Hybrid
  • U3544 Ford Fusion Plug-In Hybrid
  • U3544 Ford GT
  • U3544 Ford Mustang
  • U3544 Ford Mustang Mach-E
  • U3544 Ford Mystique
  • U3544 Ford Probe
  • U3544 Ford Ranger
  • U3544 Ford Taurus
  • U3544 Ford Taurus X
  • U3544 Ford Tempo
  • U3544 Ford Thunderbird
  • U3544 Ford Transit
  • U3544 Ford Transit Connect
  • U3544 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.