P1977

P1977 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1977 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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.

Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.

Ford P1977 Fault Code Meaning :

Ford P1977 Symptoms :

Ford P1977 Reasons :

How To Fix Ford P1977 Trouble Code ?

Which Ford cars have the code P1977?

  • P1977 Ford Aerostar
  • P1977 Ford Bronco
  • P1977 Ford C-Max
  • P1977 Ford C-Max Energi
  • P1977 Ford C-Max Hybrid
  • P1977 Ford Contour
  • P1977 Ford Crown Victoria
  • P1977 Ford EcoSport
  • P1977 Ford Econoline
  • P1977 Ford Edge
  • P1977 Ford Escape
  • P1977 Ford Escape Hybrid
  • P1977 Ford Escort
  • P1977 Ford Everest
  • P1977 Ford Excursion
  • P1977 Ford Expedition
  • P1977 Ford Explorer
  • P1977 Ford Explorer Sport Trac
  • P1977 Ford F-150
  • P1977 Ford F-250
  • P1977 Ford F-350
  • P1977 Ford Fiesta
  • P1977 Ford Flex
  • P1977 Ford Focus
  • P1977 Ford Focus Electric
  • P1977 Ford Freestar
  • P1977 Ford Freestyle
  • P1977 Ford Fusion
  • P1977 Ford Fusion Energi
  • P1977 Ford Fusion Hybrid
  • P1977 Ford Fusion Plug-In Hybrid
  • P1977 Ford GT
  • P1977 Ford Mustang
  • P1977 Ford Mustang Mach-E
  • P1977 Ford Mystique
  • P1977 Ford Probe
  • P1977 Ford Ranger
  • P1977 Ford Taurus
  • P1977 Ford Taurus X
  • P1977 Ford Tempo
  • P1977 Ford Thunderbird
  • P1977 Ford Transit
  • P1977 Ford Transit Connect
  • P1977 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.