U0046

U0046 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0046 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 U0046 Fault Code Meaning :

Ford U0046 Symptoms :

Ford U0046 Reasons :

How To Fix Ford U0046 Trouble Code ?

Which Ford cars have the code U0046?

  • U0046 Ford Aerostar
  • U0046 Ford Bronco
  • U0046 Ford C-Max
  • U0046 Ford C-Max Energi
  • U0046 Ford C-Max Hybrid
  • U0046 Ford Contour
  • U0046 Ford Crown Victoria
  • U0046 Ford EcoSport
  • U0046 Ford Econoline
  • U0046 Ford Edge
  • U0046 Ford Escape
  • U0046 Ford Escape Hybrid
  • U0046 Ford Escort
  • U0046 Ford Everest
  • U0046 Ford Excursion
  • U0046 Ford Expedition
  • U0046 Ford Explorer
  • U0046 Ford Explorer Sport Trac
  • U0046 Ford F-150
  • U0046 Ford F-250
  • U0046 Ford F-350
  • U0046 Ford Fiesta
  • U0046 Ford Flex
  • U0046 Ford Focus
  • U0046 Ford Focus Electric
  • U0046 Ford Freestar
  • U0046 Ford Freestyle
  • U0046 Ford Fusion
  • U0046 Ford Fusion Energi
  • U0046 Ford Fusion Hybrid
  • U0046 Ford Fusion Plug-In Hybrid
  • U0046 Ford GT
  • U0046 Ford Mustang
  • U0046 Ford Mustang Mach-E
  • U0046 Ford Mystique
  • U0046 Ford Probe
  • U0046 Ford Ranger
  • U0046 Ford Taurus
  • U0046 Ford Taurus X
  • U0046 Ford Tempo
  • U0046 Ford Thunderbird
  • U0046 Ford Transit
  • U0046 Ford Transit Connect
  • U0046 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.