U1798

U1798 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1798 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 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.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford U1798 Fault Code Meaning :

Ford U1798 Symptoms :

Ford U1798 Reasons :

How To Fix Ford U1798 Trouble Code ?

Which Ford cars have the code U1798?

  • U1798 Ford Aerostar
  • U1798 Ford Bronco
  • U1798 Ford C-Max
  • U1798 Ford C-Max Energi
  • U1798 Ford C-Max Hybrid
  • U1798 Ford Contour
  • U1798 Ford Crown Victoria
  • U1798 Ford EcoSport
  • U1798 Ford Econoline
  • U1798 Ford Edge
  • U1798 Ford Escape
  • U1798 Ford Escape Hybrid
  • U1798 Ford Escort
  • U1798 Ford Everest
  • U1798 Ford Excursion
  • U1798 Ford Expedition
  • U1798 Ford Explorer
  • U1798 Ford Explorer Sport Trac
  • U1798 Ford F-150
  • U1798 Ford F-250
  • U1798 Ford F-350
  • U1798 Ford Fiesta
  • U1798 Ford Flex
  • U1798 Ford Focus
  • U1798 Ford Focus Electric
  • U1798 Ford Freestar
  • U1798 Ford Freestyle
  • U1798 Ford Fusion
  • U1798 Ford Fusion Energi
  • U1798 Ford Fusion Hybrid
  • U1798 Ford Fusion Plug-In Hybrid
  • U1798 Ford GT
  • U1798 Ford Mustang
  • U1798 Ford Mustang Mach-E
  • U1798 Ford Mystique
  • U1798 Ford Probe
  • U1798 Ford Ranger
  • U1798 Ford Taurus
  • U1798 Ford Taurus X
  • U1798 Ford Tempo
  • U1798 Ford Thunderbird
  • U1798 Ford Transit
  • U1798 Ford Transit Connect
  • U1798 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.