U1946

U1946 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1946 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.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 U1946 Fault Code Meaning :

Ford U1946 Symptoms :

Ford U1946 Reasons :

How To Fix Ford U1946 Trouble Code ?

Which Ford cars have the code U1946?

  • U1946 Ford Aerostar
  • U1946 Ford Bronco
  • U1946 Ford C-Max
  • U1946 Ford C-Max Energi
  • U1946 Ford C-Max Hybrid
  • U1946 Ford Contour
  • U1946 Ford Crown Victoria
  • U1946 Ford EcoSport
  • U1946 Ford Econoline
  • U1946 Ford Edge
  • U1946 Ford Escape
  • U1946 Ford Escape Hybrid
  • U1946 Ford Escort
  • U1946 Ford Everest
  • U1946 Ford Excursion
  • U1946 Ford Expedition
  • U1946 Ford Explorer
  • U1946 Ford Explorer Sport Trac
  • U1946 Ford F-150
  • U1946 Ford F-250
  • U1946 Ford F-350
  • U1946 Ford Fiesta
  • U1946 Ford Flex
  • U1946 Ford Focus
  • U1946 Ford Focus Electric
  • U1946 Ford Freestar
  • U1946 Ford Freestyle
  • U1946 Ford Fusion
  • U1946 Ford Fusion Energi
  • U1946 Ford Fusion Hybrid
  • U1946 Ford Fusion Plug-In Hybrid
  • U1946 Ford GT
  • U1946 Ford Mustang
  • U1946 Ford Mustang Mach-E
  • U1946 Ford Mystique
  • U1946 Ford Probe
  • U1946 Ford Ranger
  • U1946 Ford Taurus
  • U1946 Ford Taurus X
  • U1946 Ford Tempo
  • U1946 Ford Thunderbird
  • U1946 Ford Transit
  • U1946 Ford Transit Connect
  • U1946 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.