U3521

U3521 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3521 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.The wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

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

Ford U3521 Fault Code Meaning :

Ford U3521 Symptoms :

Ford U3521 Reasons :

How To Fix Ford U3521 Trouble Code ?

Which Ford cars have the code U3521?

  • U3521 Ford Aerostar
  • U3521 Ford Bronco
  • U3521 Ford C-Max
  • U3521 Ford C-Max Energi
  • U3521 Ford C-Max Hybrid
  • U3521 Ford Contour
  • U3521 Ford Crown Victoria
  • U3521 Ford EcoSport
  • U3521 Ford Econoline
  • U3521 Ford Edge
  • U3521 Ford Escape
  • U3521 Ford Escape Hybrid
  • U3521 Ford Escort
  • U3521 Ford Everest
  • U3521 Ford Excursion
  • U3521 Ford Expedition
  • U3521 Ford Explorer
  • U3521 Ford Explorer Sport Trac
  • U3521 Ford F-150
  • U3521 Ford F-250
  • U3521 Ford F-350
  • U3521 Ford Fiesta
  • U3521 Ford Flex
  • U3521 Ford Focus
  • U3521 Ford Focus Electric
  • U3521 Ford Freestar
  • U3521 Ford Freestyle
  • U3521 Ford Fusion
  • U3521 Ford Fusion Energi
  • U3521 Ford Fusion Hybrid
  • U3521 Ford Fusion Plug-In Hybrid
  • U3521 Ford GT
  • U3521 Ford Mustang
  • U3521 Ford Mustang Mach-E
  • U3521 Ford Mystique
  • U3521 Ford Probe
  • U3521 Ford Ranger
  • U3521 Ford Taurus
  • U3521 Ford Taurus X
  • U3521 Ford Tempo
  • U3521 Ford Thunderbird
  • U3521 Ford Transit
  • U3521 Ford Transit Connect
  • U3521 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.