P77C1

P77C1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P77C1 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.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 P77C1 Fault Code Meaning :

Ford P77C1 Symptoms :

Ford P77C1 Reasons :

How To Fix Ford P77C1 Trouble Code ?

Which Ford cars have the code P77C1?

  • P77C1 Ford Aerostar
  • P77C1 Ford Bronco
  • P77C1 Ford C-Max
  • P77C1 Ford C-Max Energi
  • P77C1 Ford C-Max Hybrid
  • P77C1 Ford Contour
  • P77C1 Ford Crown Victoria
  • P77C1 Ford EcoSport
  • P77C1 Ford Econoline
  • P77C1 Ford Edge
  • P77C1 Ford Escape
  • P77C1 Ford Escape Hybrid
  • P77C1 Ford Escort
  • P77C1 Ford Everest
  • P77C1 Ford Excursion
  • P77C1 Ford Expedition
  • P77C1 Ford Explorer
  • P77C1 Ford Explorer Sport Trac
  • P77C1 Ford F-150
  • P77C1 Ford F-250
  • P77C1 Ford F-350
  • P77C1 Ford Fiesta
  • P77C1 Ford Flex
  • P77C1 Ford Focus
  • P77C1 Ford Focus Electric
  • P77C1 Ford Freestar
  • P77C1 Ford Freestyle
  • P77C1 Ford Fusion
  • P77C1 Ford Fusion Energi
  • P77C1 Ford Fusion Hybrid
  • P77C1 Ford Fusion Plug-In Hybrid
  • P77C1 Ford GT
  • P77C1 Ford Mustang
  • P77C1 Ford Mustang Mach-E
  • P77C1 Ford Mystique
  • P77C1 Ford Probe
  • P77C1 Ford Ranger
  • P77C1 Ford Taurus
  • P77C1 Ford Taurus X
  • P77C1 Ford Tempo
  • P77C1 Ford Thunderbird
  • P77C1 Ford Transit
  • P77C1 Ford Transit Connect
  • P77C1 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.