U3523

U3523 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3523 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford U3523 Fault Code Meaning :

Ford U3523 Symptoms :

Ford U3523 Reasons :

How To Fix Ford U3523 Trouble Code ?

Which Ford cars have the code U3523?

  • U3523 Ford Aerostar
  • U3523 Ford Bronco
  • U3523 Ford C-Max
  • U3523 Ford C-Max Energi
  • U3523 Ford C-Max Hybrid
  • U3523 Ford Contour
  • U3523 Ford Crown Victoria
  • U3523 Ford EcoSport
  • U3523 Ford Econoline
  • U3523 Ford Edge
  • U3523 Ford Escape
  • U3523 Ford Escape Hybrid
  • U3523 Ford Escort
  • U3523 Ford Everest
  • U3523 Ford Excursion
  • U3523 Ford Expedition
  • U3523 Ford Explorer
  • U3523 Ford Explorer Sport Trac
  • U3523 Ford F-150
  • U3523 Ford F-250
  • U3523 Ford F-350
  • U3523 Ford Fiesta
  • U3523 Ford Flex
  • U3523 Ford Focus
  • U3523 Ford Focus Electric
  • U3523 Ford Freestar
  • U3523 Ford Freestyle
  • U3523 Ford Fusion
  • U3523 Ford Fusion Energi
  • U3523 Ford Fusion Hybrid
  • U3523 Ford Fusion Plug-In Hybrid
  • U3523 Ford GT
  • U3523 Ford Mustang
  • U3523 Ford Mustang Mach-E
  • U3523 Ford Mystique
  • U3523 Ford Probe
  • U3523 Ford Ranger
  • U3523 Ford Taurus
  • U3523 Ford Taurus X
  • U3523 Ford Tempo
  • U3523 Ford Thunderbird
  • U3523 Ford Transit
  • U3523 Ford Transit Connect
  • U3523 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.