U1812

U1812 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1812 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 U1812 Fault Code Meaning :

Ford U1812 Symptoms :

Ford U1812 Reasons :

How To Fix Ford U1812 Trouble Code ?

Which Ford cars have the code U1812?

  • U1812 Ford Aerostar
  • U1812 Ford Bronco
  • U1812 Ford C-Max
  • U1812 Ford C-Max Energi
  • U1812 Ford C-Max Hybrid
  • U1812 Ford Contour
  • U1812 Ford Crown Victoria
  • U1812 Ford EcoSport
  • U1812 Ford Econoline
  • U1812 Ford Edge
  • U1812 Ford Escape
  • U1812 Ford Escape Hybrid
  • U1812 Ford Escort
  • U1812 Ford Everest
  • U1812 Ford Excursion
  • U1812 Ford Expedition
  • U1812 Ford Explorer
  • U1812 Ford Explorer Sport Trac
  • U1812 Ford F-150
  • U1812 Ford F-250
  • U1812 Ford F-350
  • U1812 Ford Fiesta
  • U1812 Ford Flex
  • U1812 Ford Focus
  • U1812 Ford Focus Electric
  • U1812 Ford Freestar
  • U1812 Ford Freestyle
  • U1812 Ford Fusion
  • U1812 Ford Fusion Energi
  • U1812 Ford Fusion Hybrid
  • U1812 Ford Fusion Plug-In Hybrid
  • U1812 Ford GT
  • U1812 Ford Mustang
  • U1812 Ford Mustang Mach-E
  • U1812 Ford Mystique
  • U1812 Ford Probe
  • U1812 Ford Ranger
  • U1812 Ford Taurus
  • U1812 Ford Taurus X
  • U1812 Ford Tempo
  • U1812 Ford Thunderbird
  • U1812 Ford Transit
  • U1812 Ford Transit Connect
  • U1812 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.