U12A3

U12A3 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U12A3 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.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.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford U12A3 Fault Code Meaning :

Ford U12A3 Symptoms :

Ford U12A3 Reasons :

How To Fix Ford U12A3 Trouble Code ?

Which Ford cars have the code U12A3?

  • U12A3 Ford Aerostar
  • U12A3 Ford Bronco
  • U12A3 Ford C-Max
  • U12A3 Ford C-Max Energi
  • U12A3 Ford C-Max Hybrid
  • U12A3 Ford Contour
  • U12A3 Ford Crown Victoria
  • U12A3 Ford EcoSport
  • U12A3 Ford Econoline
  • U12A3 Ford Edge
  • U12A3 Ford Escape
  • U12A3 Ford Escape Hybrid
  • U12A3 Ford Escort
  • U12A3 Ford Everest
  • U12A3 Ford Excursion
  • U12A3 Ford Expedition
  • U12A3 Ford Explorer
  • U12A3 Ford Explorer Sport Trac
  • U12A3 Ford F-150
  • U12A3 Ford F-250
  • U12A3 Ford F-350
  • U12A3 Ford Fiesta
  • U12A3 Ford Flex
  • U12A3 Ford Focus
  • U12A3 Ford Focus Electric
  • U12A3 Ford Freestar
  • U12A3 Ford Freestyle
  • U12A3 Ford Fusion
  • U12A3 Ford Fusion Energi
  • U12A3 Ford Fusion Hybrid
  • U12A3 Ford Fusion Plug-In Hybrid
  • U12A3 Ford GT
  • U12A3 Ford Mustang
  • U12A3 Ford Mustang Mach-E
  • U12A3 Ford Mystique
  • U12A3 Ford Probe
  • U12A3 Ford Ranger
  • U12A3 Ford Taurus
  • U12A3 Ford Taurus X
  • U12A3 Ford Tempo
  • U12A3 Ford Thunderbird
  • U12A3 Ford Transit
  • U12A3 Ford Transit Connect
  • U12A3 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.