U3178

U3178 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3178 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 wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford U3178 Fault Code Meaning :

Ford U3178 Symptoms :

Ford U3178 Reasons :

How To Fix Ford U3178 Trouble Code ?

Which Ford cars have the code U3178?

  • U3178 Ford Aerostar
  • U3178 Ford Bronco
  • U3178 Ford C-Max
  • U3178 Ford C-Max Energi
  • U3178 Ford C-Max Hybrid
  • U3178 Ford Contour
  • U3178 Ford Crown Victoria
  • U3178 Ford EcoSport
  • U3178 Ford Econoline
  • U3178 Ford Edge
  • U3178 Ford Escape
  • U3178 Ford Escape Hybrid
  • U3178 Ford Escort
  • U3178 Ford Everest
  • U3178 Ford Excursion
  • U3178 Ford Expedition
  • U3178 Ford Explorer
  • U3178 Ford Explorer Sport Trac
  • U3178 Ford F-150
  • U3178 Ford F-250
  • U3178 Ford F-350
  • U3178 Ford Fiesta
  • U3178 Ford Flex
  • U3178 Ford Focus
  • U3178 Ford Focus Electric
  • U3178 Ford Freestar
  • U3178 Ford Freestyle
  • U3178 Ford Fusion
  • U3178 Ford Fusion Energi
  • U3178 Ford Fusion Hybrid
  • U3178 Ford Fusion Plug-In Hybrid
  • U3178 Ford GT
  • U3178 Ford Mustang
  • U3178 Ford Mustang Mach-E
  • U3178 Ford Mystique
  • U3178 Ford Probe
  • U3178 Ford Ranger
  • U3178 Ford Taurus
  • U3178 Ford Taurus X
  • U3178 Ford Tempo
  • U3178 Ford Thunderbird
  • U3178 Ford Transit
  • U3178 Ford Transit Connect
  • U3178 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.