U0778

U0778 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0778 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 U0778 Fault Code Meaning :

Ford U0778 Symptoms :

Ford U0778 Reasons :

How To Fix Ford U0778 Trouble Code ?

Which Ford cars have the code U0778?

  • U0778 Ford Aerostar
  • U0778 Ford Bronco
  • U0778 Ford C-Max
  • U0778 Ford C-Max Energi
  • U0778 Ford C-Max Hybrid
  • U0778 Ford Contour
  • U0778 Ford Crown Victoria
  • U0778 Ford EcoSport
  • U0778 Ford Econoline
  • U0778 Ford Edge
  • U0778 Ford Escape
  • U0778 Ford Escape Hybrid
  • U0778 Ford Escort
  • U0778 Ford Everest
  • U0778 Ford Excursion
  • U0778 Ford Expedition
  • U0778 Ford Explorer
  • U0778 Ford Explorer Sport Trac
  • U0778 Ford F-150
  • U0778 Ford F-250
  • U0778 Ford F-350
  • U0778 Ford Fiesta
  • U0778 Ford Flex
  • U0778 Ford Focus
  • U0778 Ford Focus Electric
  • U0778 Ford Freestar
  • U0778 Ford Freestyle
  • U0778 Ford Fusion
  • U0778 Ford Fusion Energi
  • U0778 Ford Fusion Hybrid
  • U0778 Ford Fusion Plug-In Hybrid
  • U0778 Ford GT
  • U0778 Ford Mustang
  • U0778 Ford Mustang Mach-E
  • U0778 Ford Mystique
  • U0778 Ford Probe
  • U0778 Ford Ranger
  • U0778 Ford Taurus
  • U0778 Ford Taurus X
  • U0778 Ford Tempo
  • U0778 Ford Thunderbird
  • U0778 Ford Transit
  • U0778 Ford Transit Connect
  • U0778 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.