C0456

C0456 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0456 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.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 C0456 Fault Code Meaning :

Ford C0456 Symptoms :

Ford C0456 Reasons :

How To Fix Ford C0456 Trouble Code ?

Which Ford cars have the code C0456?

  • C0456 Ford Aerostar
  • C0456 Ford Bronco
  • C0456 Ford C-Max
  • C0456 Ford C-Max Energi
  • C0456 Ford C-Max Hybrid
  • C0456 Ford Contour
  • C0456 Ford Crown Victoria
  • C0456 Ford EcoSport
  • C0456 Ford Econoline
  • C0456 Ford Edge
  • C0456 Ford Escape
  • C0456 Ford Escape Hybrid
  • C0456 Ford Escort
  • C0456 Ford Everest
  • C0456 Ford Excursion
  • C0456 Ford Expedition
  • C0456 Ford Explorer
  • C0456 Ford Explorer Sport Trac
  • C0456 Ford F-150
  • C0456 Ford F-250
  • C0456 Ford F-350
  • C0456 Ford Fiesta
  • C0456 Ford Flex
  • C0456 Ford Focus
  • C0456 Ford Focus Electric
  • C0456 Ford Freestar
  • C0456 Ford Freestyle
  • C0456 Ford Fusion
  • C0456 Ford Fusion Energi
  • C0456 Ford Fusion Hybrid
  • C0456 Ford Fusion Plug-In Hybrid
  • C0456 Ford GT
  • C0456 Ford Mustang
  • C0456 Ford Mustang Mach-E
  • C0456 Ford Mystique
  • C0456 Ford Probe
  • C0456 Ford Ranger
  • C0456 Ford Taurus
  • C0456 Ford Taurus X
  • C0456 Ford Tempo
  • C0456 Ford Thunderbird
  • C0456 Ford Transit
  • C0456 Ford Transit Connect
  • C0456 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.