U0546

U0546 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0546 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford U0546 Fault Code Meaning :

Ford U0546 Symptoms :

Ford U0546 Reasons :

How To Fix Ford U0546 Trouble Code ?

Which Ford cars have the code U0546?

  • U0546 Ford Aerostar
  • U0546 Ford Bronco
  • U0546 Ford C-Max
  • U0546 Ford C-Max Energi
  • U0546 Ford C-Max Hybrid
  • U0546 Ford Contour
  • U0546 Ford Crown Victoria
  • U0546 Ford EcoSport
  • U0546 Ford Econoline
  • U0546 Ford Edge
  • U0546 Ford Escape
  • U0546 Ford Escape Hybrid
  • U0546 Ford Escort
  • U0546 Ford Everest
  • U0546 Ford Excursion
  • U0546 Ford Expedition
  • U0546 Ford Explorer
  • U0546 Ford Explorer Sport Trac
  • U0546 Ford F-150
  • U0546 Ford F-250
  • U0546 Ford F-350
  • U0546 Ford Fiesta
  • U0546 Ford Flex
  • U0546 Ford Focus
  • U0546 Ford Focus Electric
  • U0546 Ford Freestar
  • U0546 Ford Freestyle
  • U0546 Ford Fusion
  • U0546 Ford Fusion Energi
  • U0546 Ford Fusion Hybrid
  • U0546 Ford Fusion Plug-In Hybrid
  • U0546 Ford GT
  • U0546 Ford Mustang
  • U0546 Ford Mustang Mach-E
  • U0546 Ford Mystique
  • U0546 Ford Probe
  • U0546 Ford Ranger
  • U0546 Ford Taurus
  • U0546 Ford Taurus X
  • U0546 Ford Tempo
  • U0546 Ford Thunderbird
  • U0546 Ford Transit
  • U0546 Ford Transit Connect
  • U0546 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.