U3578

U3578 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3578 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 U3578 Fault Code Meaning :

Ford U3578 Symptoms :

Ford U3578 Reasons :

How To Fix Ford U3578 Trouble Code ?

Which Ford cars have the code U3578?

  • U3578 Ford Aerostar
  • U3578 Ford Bronco
  • U3578 Ford C-Max
  • U3578 Ford C-Max Energi
  • U3578 Ford C-Max Hybrid
  • U3578 Ford Contour
  • U3578 Ford Crown Victoria
  • U3578 Ford EcoSport
  • U3578 Ford Econoline
  • U3578 Ford Edge
  • U3578 Ford Escape
  • U3578 Ford Escape Hybrid
  • U3578 Ford Escort
  • U3578 Ford Everest
  • U3578 Ford Excursion
  • U3578 Ford Expedition
  • U3578 Ford Explorer
  • U3578 Ford Explorer Sport Trac
  • U3578 Ford F-150
  • U3578 Ford F-250
  • U3578 Ford F-350
  • U3578 Ford Fiesta
  • U3578 Ford Flex
  • U3578 Ford Focus
  • U3578 Ford Focus Electric
  • U3578 Ford Freestar
  • U3578 Ford Freestyle
  • U3578 Ford Fusion
  • U3578 Ford Fusion Energi
  • U3578 Ford Fusion Hybrid
  • U3578 Ford Fusion Plug-In Hybrid
  • U3578 Ford GT
  • U3578 Ford Mustang
  • U3578 Ford Mustang Mach-E
  • U3578 Ford Mystique
  • U3578 Ford Probe
  • U3578 Ford Ranger
  • U3578 Ford Taurus
  • U3578 Ford Taurus X
  • U3578 Ford Tempo
  • U3578 Ford Thunderbird
  • U3578 Ford Transit
  • U3578 Ford Transit Connect
  • U3578 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.