U0123

U0123 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0123 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 supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford U0123 Fault Code Meaning :

Ford U0123 Symptoms :

Ford U0123 Reasons :

How To Fix Ford U0123 Trouble Code ?

Which Ford cars have the code U0123?

  • U0123 Ford Aerostar
  • U0123 Ford Bronco
  • U0123 Ford C-Max
  • U0123 Ford C-Max Energi
  • U0123 Ford C-Max Hybrid
  • U0123 Ford Contour
  • U0123 Ford Crown Victoria
  • U0123 Ford EcoSport
  • U0123 Ford Econoline
  • U0123 Ford Edge
  • U0123 Ford Escape
  • U0123 Ford Escape Hybrid
  • U0123 Ford Escort
  • U0123 Ford Everest
  • U0123 Ford Excursion
  • U0123 Ford Expedition
  • U0123 Ford Explorer
  • U0123 Ford Explorer Sport Trac
  • U0123 Ford F-150
  • U0123 Ford F-250
  • U0123 Ford F-350
  • U0123 Ford Fiesta
  • U0123 Ford Flex
  • U0123 Ford Focus
  • U0123 Ford Focus Electric
  • U0123 Ford Freestar
  • U0123 Ford Freestyle
  • U0123 Ford Fusion
  • U0123 Ford Fusion Energi
  • U0123 Ford Fusion Hybrid
  • U0123 Ford Fusion Plug-In Hybrid
  • U0123 Ford GT
  • U0123 Ford Mustang
  • U0123 Ford Mustang Mach-E
  • U0123 Ford Mystique
  • U0123 Ford Probe
  • U0123 Ford Ranger
  • U0123 Ford Taurus
  • U0123 Ford Taurus X
  • U0123 Ford Tempo
  • U0123 Ford Thunderbird
  • U0123 Ford Transit
  • U0123 Ford Transit Connect
  • U0123 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.