B0178

B0178 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0178 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford B0178 Fault Code Meaning :

Ford B0178 Symptoms :

Ford B0178 Reasons :

How To Fix Ford B0178 Trouble Code ?

Which Ford cars have the code B0178?

  • B0178 Ford Aerostar
  • B0178 Ford Bronco
  • B0178 Ford C-Max
  • B0178 Ford C-Max Energi
  • B0178 Ford C-Max Hybrid
  • B0178 Ford Contour
  • B0178 Ford Crown Victoria
  • B0178 Ford EcoSport
  • B0178 Ford Econoline
  • B0178 Ford Edge
  • B0178 Ford Escape
  • B0178 Ford Escape Hybrid
  • B0178 Ford Escort
  • B0178 Ford Everest
  • B0178 Ford Excursion
  • B0178 Ford Expedition
  • B0178 Ford Explorer
  • B0178 Ford Explorer Sport Trac
  • B0178 Ford F-150
  • B0178 Ford F-250
  • B0178 Ford F-350
  • B0178 Ford Fiesta
  • B0178 Ford Flex
  • B0178 Ford Focus
  • B0178 Ford Focus Electric
  • B0178 Ford Freestar
  • B0178 Ford Freestyle
  • B0178 Ford Fusion
  • B0178 Ford Fusion Energi
  • B0178 Ford Fusion Hybrid
  • B0178 Ford Fusion Plug-In Hybrid
  • B0178 Ford GT
  • B0178 Ford Mustang
  • B0178 Ford Mustang Mach-E
  • B0178 Ford Mystique
  • B0178 Ford Probe
  • B0178 Ford Ranger
  • B0178 Ford Taurus
  • B0178 Ford Taurus X
  • B0178 Ford Tempo
  • B0178 Ford Thunderbird
  • B0178 Ford Transit
  • B0178 Ford Transit Connect
  • B0178 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.