U1791

U1791 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1791 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 U1791 Fault Code Meaning :

Ford U1791 Symptoms :

Ford U1791 Reasons :

How To Fix Ford U1791 Trouble Code ?

Which Ford cars have the code U1791?

  • U1791 Ford Aerostar
  • U1791 Ford Bronco
  • U1791 Ford C-Max
  • U1791 Ford C-Max Energi
  • U1791 Ford C-Max Hybrid
  • U1791 Ford Contour
  • U1791 Ford Crown Victoria
  • U1791 Ford EcoSport
  • U1791 Ford Econoline
  • U1791 Ford Edge
  • U1791 Ford Escape
  • U1791 Ford Escape Hybrid
  • U1791 Ford Escort
  • U1791 Ford Everest
  • U1791 Ford Excursion
  • U1791 Ford Expedition
  • U1791 Ford Explorer
  • U1791 Ford Explorer Sport Trac
  • U1791 Ford F-150
  • U1791 Ford F-250
  • U1791 Ford F-350
  • U1791 Ford Fiesta
  • U1791 Ford Flex
  • U1791 Ford Focus
  • U1791 Ford Focus Electric
  • U1791 Ford Freestar
  • U1791 Ford Freestyle
  • U1791 Ford Fusion
  • U1791 Ford Fusion Energi
  • U1791 Ford Fusion Hybrid
  • U1791 Ford Fusion Plug-In Hybrid
  • U1791 Ford GT
  • U1791 Ford Mustang
  • U1791 Ford Mustang Mach-E
  • U1791 Ford Mystique
  • U1791 Ford Probe
  • U1791 Ford Ranger
  • U1791 Ford Taurus
  • U1791 Ford Taurus X
  • U1791 Ford Tempo
  • U1791 Ford Thunderbird
  • U1791 Ford Transit
  • U1791 Ford Transit Connect
  • U1791 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.