P178B

P178B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P178B Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P178B Fault Code Meaning :

Ford P178B Symptoms :

Ford P178B Reasons :

How To Fix Ford P178B Trouble Code ?

Which Ford cars have the code P178B?

  • P178B Ford Aerostar
  • P178B Ford Bronco
  • P178B Ford C-Max
  • P178B Ford C-Max Energi
  • P178B Ford C-Max Hybrid
  • P178B Ford Contour
  • P178B Ford Crown Victoria
  • P178B Ford EcoSport
  • P178B Ford Econoline
  • P178B Ford Edge
  • P178B Ford Escape
  • P178B Ford Escape Hybrid
  • P178B Ford Escort
  • P178B Ford Everest
  • P178B Ford Excursion
  • P178B Ford Expedition
  • P178B Ford Explorer
  • P178B Ford Explorer Sport Trac
  • P178B Ford F-150
  • P178B Ford F-250
  • P178B Ford F-350
  • P178B Ford Fiesta
  • P178B Ford Flex
  • P178B Ford Focus
  • P178B Ford Focus Electric
  • P178B Ford Freestar
  • P178B Ford Freestyle
  • P178B Ford Fusion
  • P178B Ford Fusion Energi
  • P178B Ford Fusion Hybrid
  • P178B Ford Fusion Plug-In Hybrid
  • P178B Ford GT
  • P178B Ford Mustang
  • P178B Ford Mustang Mach-E
  • P178B Ford Mystique
  • P178B Ford Probe
  • P178B Ford Ranger
  • P178B Ford Taurus
  • P178B Ford Taurus X
  • P178B Ford Tempo
  • P178B Ford Thunderbird
  • P178B Ford Transit
  • P178B Ford Transit Connect
  • P178B 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.