U1789

U1789 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1789 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.

Ford U1789 Fault Code Meaning :

Ford U1789 Symptoms :

Ford U1789 Reasons :

How To Fix Ford U1789 Trouble Code ?

Which Ford cars have the code U1789?

  • U1789 Ford Aerostar
  • U1789 Ford Bronco
  • U1789 Ford C-Max
  • U1789 Ford C-Max Energi
  • U1789 Ford C-Max Hybrid
  • U1789 Ford Contour
  • U1789 Ford Crown Victoria
  • U1789 Ford EcoSport
  • U1789 Ford Econoline
  • U1789 Ford Edge
  • U1789 Ford Escape
  • U1789 Ford Escape Hybrid
  • U1789 Ford Escort
  • U1789 Ford Everest
  • U1789 Ford Excursion
  • U1789 Ford Expedition
  • U1789 Ford Explorer
  • U1789 Ford Explorer Sport Trac
  • U1789 Ford F-150
  • U1789 Ford F-250
  • U1789 Ford F-350
  • U1789 Ford Fiesta
  • U1789 Ford Flex
  • U1789 Ford Focus
  • U1789 Ford Focus Electric
  • U1789 Ford Freestar
  • U1789 Ford Freestyle
  • U1789 Ford Fusion
  • U1789 Ford Fusion Energi
  • U1789 Ford Fusion Hybrid
  • U1789 Ford Fusion Plug-In Hybrid
  • U1789 Ford GT
  • U1789 Ford Mustang
  • U1789 Ford Mustang Mach-E
  • U1789 Ford Mystique
  • U1789 Ford Probe
  • U1789 Ford Ranger
  • U1789 Ford Taurus
  • U1789 Ford Taurus X
  • U1789 Ford Tempo
  • U1789 Ford Thunderbird
  • U1789 Ford Transit
  • U1789 Ford Transit Connect
  • U1789 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.