P1978

P1978 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1978 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open 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.

The suspension dump output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension dump air solenoid fault, and for air pressure switch short circuit fault.

Ford P1978 Fault Code Meaning :

Ford P1978 Symptoms :

Ford P1978 Reasons :

How To Fix Ford P1978 Trouble Code ?

Which Ford cars have the code P1978?

  • P1978 Ford Aerostar
  • P1978 Ford Bronco
  • P1978 Ford C-Max
  • P1978 Ford C-Max Energi
  • P1978 Ford C-Max Hybrid
  • P1978 Ford Contour
  • P1978 Ford Crown Victoria
  • P1978 Ford EcoSport
  • P1978 Ford Econoline
  • P1978 Ford Edge
  • P1978 Ford Escape
  • P1978 Ford Escape Hybrid
  • P1978 Ford Escort
  • P1978 Ford Everest
  • P1978 Ford Excursion
  • P1978 Ford Expedition
  • P1978 Ford Explorer
  • P1978 Ford Explorer Sport Trac
  • P1978 Ford F-150
  • P1978 Ford F-250
  • P1978 Ford F-350
  • P1978 Ford Fiesta
  • P1978 Ford Flex
  • P1978 Ford Focus
  • P1978 Ford Focus Electric
  • P1978 Ford Freestar
  • P1978 Ford Freestyle
  • P1978 Ford Fusion
  • P1978 Ford Fusion Energi
  • P1978 Ford Fusion Hybrid
  • P1978 Ford Fusion Plug-In Hybrid
  • P1978 Ford GT
  • P1978 Ford Mustang
  • P1978 Ford Mustang Mach-E
  • P1978 Ford Mystique
  • P1978 Ford Probe
  • P1978 Ford Ranger
  • P1978 Ford Taurus
  • P1978 Ford Taurus X
  • P1978 Ford Tempo
  • P1978 Ford Thunderbird
  • P1978 Ford Transit
  • P1978 Ford Transit Connect
  • P1978 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.