U1778

U1778 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1778 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford U1778 Fault Code Meaning :

Ford U1778 Symptoms :

Ford U1778 Reasons :

How To Fix Ford U1778 Trouble Code ?

Which Ford cars have the code U1778?

  • U1778 Ford Aerostar
  • U1778 Ford Bronco
  • U1778 Ford C-Max
  • U1778 Ford C-Max Energi
  • U1778 Ford C-Max Hybrid
  • U1778 Ford Contour
  • U1778 Ford Crown Victoria
  • U1778 Ford EcoSport
  • U1778 Ford Econoline
  • U1778 Ford Edge
  • U1778 Ford Escape
  • U1778 Ford Escape Hybrid
  • U1778 Ford Escort
  • U1778 Ford Everest
  • U1778 Ford Excursion
  • U1778 Ford Expedition
  • U1778 Ford Explorer
  • U1778 Ford Explorer Sport Trac
  • U1778 Ford F-150
  • U1778 Ford F-250
  • U1778 Ford F-350
  • U1778 Ford Fiesta
  • U1778 Ford Flex
  • U1778 Ford Focus
  • U1778 Ford Focus Electric
  • U1778 Ford Freestar
  • U1778 Ford Freestyle
  • U1778 Ford Fusion
  • U1778 Ford Fusion Energi
  • U1778 Ford Fusion Hybrid
  • U1778 Ford Fusion Plug-In Hybrid
  • U1778 Ford GT
  • U1778 Ford Mustang
  • U1778 Ford Mustang Mach-E
  • U1778 Ford Mystique
  • U1778 Ford Probe
  • U1778 Ford Ranger
  • U1778 Ford Taurus
  • U1778 Ford Taurus X
  • U1778 Ford Tempo
  • U1778 Ford Thunderbird
  • U1778 Ford Transit
  • U1778 Ford Transit Connect
  • U1778 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.