P77D8

P77D8 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P77D8 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.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.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P77D8 Fault Code Meaning :

Ford P77D8 Symptoms :

Ford P77D8 Reasons :

How To Fix Ford P77D8 Trouble Code ?

Which Ford cars have the code P77D8?

  • P77D8 Ford Aerostar
  • P77D8 Ford Bronco
  • P77D8 Ford C-Max
  • P77D8 Ford C-Max Energi
  • P77D8 Ford C-Max Hybrid
  • P77D8 Ford Contour
  • P77D8 Ford Crown Victoria
  • P77D8 Ford EcoSport
  • P77D8 Ford Econoline
  • P77D8 Ford Edge
  • P77D8 Ford Escape
  • P77D8 Ford Escape Hybrid
  • P77D8 Ford Escort
  • P77D8 Ford Everest
  • P77D8 Ford Excursion
  • P77D8 Ford Expedition
  • P77D8 Ford Explorer
  • P77D8 Ford Explorer Sport Trac
  • P77D8 Ford F-150
  • P77D8 Ford F-250
  • P77D8 Ford F-350
  • P77D8 Ford Fiesta
  • P77D8 Ford Flex
  • P77D8 Ford Focus
  • P77D8 Ford Focus Electric
  • P77D8 Ford Freestar
  • P77D8 Ford Freestyle
  • P77D8 Ford Fusion
  • P77D8 Ford Fusion Energi
  • P77D8 Ford Fusion Hybrid
  • P77D8 Ford Fusion Plug-In Hybrid
  • P77D8 Ford GT
  • P77D8 Ford Mustang
  • P77D8 Ford Mustang Mach-E
  • P77D8 Ford Mystique
  • P77D8 Ford Probe
  • P77D8 Ford Ranger
  • P77D8 Ford Taurus
  • P77D8 Ford Taurus X
  • P77D8 Ford Tempo
  • P77D8 Ford Thunderbird
  • P77D8 Ford Transit
  • P77D8 Ford Transit Connect
  • P77D8 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.