U0178

U0178 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0178 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 U0178 Fault Code Meaning :

Ford U0178 Symptoms :

Ford U0178 Reasons :

How To Fix Ford U0178 Trouble Code ?

Which Ford cars have the code U0178?

  • U0178 Ford Aerostar
  • U0178 Ford Bronco
  • U0178 Ford C-Max
  • U0178 Ford C-Max Energi
  • U0178 Ford C-Max Hybrid
  • U0178 Ford Contour
  • U0178 Ford Crown Victoria
  • U0178 Ford EcoSport
  • U0178 Ford Econoline
  • U0178 Ford Edge
  • U0178 Ford Escape
  • U0178 Ford Escape Hybrid
  • U0178 Ford Escort
  • U0178 Ford Everest
  • U0178 Ford Excursion
  • U0178 Ford Expedition
  • U0178 Ford Explorer
  • U0178 Ford Explorer Sport Trac
  • U0178 Ford F-150
  • U0178 Ford F-250
  • U0178 Ford F-350
  • U0178 Ford Fiesta
  • U0178 Ford Flex
  • U0178 Ford Focus
  • U0178 Ford Focus Electric
  • U0178 Ford Freestar
  • U0178 Ford Freestyle
  • U0178 Ford Fusion
  • U0178 Ford Fusion Energi
  • U0178 Ford Fusion Hybrid
  • U0178 Ford Fusion Plug-In Hybrid
  • U0178 Ford GT
  • U0178 Ford Mustang
  • U0178 Ford Mustang Mach-E
  • U0178 Ford Mystique
  • U0178 Ford Probe
  • U0178 Ford Ranger
  • U0178 Ford Taurus
  • U0178 Ford Taurus X
  • U0178 Ford Tempo
  • U0178 Ford Thunderbird
  • U0178 Ford Transit
  • U0178 Ford Transit Connect
  • U0178 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.