P178D

P178D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P178D 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford P178D Fault Code Meaning :

Ford P178D Symptoms :

Ford P178D Reasons :

How To Fix Ford P178D Trouble Code ?

Which Ford cars have the code P178D?

  • P178D Ford Aerostar
  • P178D Ford Bronco
  • P178D Ford C-Max
  • P178D Ford C-Max Energi
  • P178D Ford C-Max Hybrid
  • P178D Ford Contour
  • P178D Ford Crown Victoria
  • P178D Ford EcoSport
  • P178D Ford Econoline
  • P178D Ford Edge
  • P178D Ford Escape
  • P178D Ford Escape Hybrid
  • P178D Ford Escort
  • P178D Ford Everest
  • P178D Ford Excursion
  • P178D Ford Expedition
  • P178D Ford Explorer
  • P178D Ford Explorer Sport Trac
  • P178D Ford F-150
  • P178D Ford F-250
  • P178D Ford F-350
  • P178D Ford Fiesta
  • P178D Ford Flex
  • P178D Ford Focus
  • P178D Ford Focus Electric
  • P178D Ford Freestar
  • P178D Ford Freestyle
  • P178D Ford Fusion
  • P178D Ford Fusion Energi
  • P178D Ford Fusion Hybrid
  • P178D Ford Fusion Plug-In Hybrid
  • P178D Ford GT
  • P178D Ford Mustang
  • P178D Ford Mustang Mach-E
  • P178D Ford Mystique
  • P178D Ford Probe
  • P178D Ford Ranger
  • P178D Ford Taurus
  • P178D Ford Taurus X
  • P178D Ford Tempo
  • P178D Ford Thunderbird
  • P178D Ford Transit
  • P178D Ford Transit Connect
  • P178D 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.