P77A5

P77A5 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P77A5 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P77A5 Fault Code Meaning :

Ford P77A5 Symptoms :

Ford P77A5 Reasons :

How To Fix Ford P77A5 Trouble Code ?

Which Ford cars have the code P77A5?

  • P77A5 Ford Aerostar
  • P77A5 Ford Bronco
  • P77A5 Ford C-Max
  • P77A5 Ford C-Max Energi
  • P77A5 Ford C-Max Hybrid
  • P77A5 Ford Contour
  • P77A5 Ford Crown Victoria
  • P77A5 Ford EcoSport
  • P77A5 Ford Econoline
  • P77A5 Ford Edge
  • P77A5 Ford Escape
  • P77A5 Ford Escape Hybrid
  • P77A5 Ford Escort
  • P77A5 Ford Everest
  • P77A5 Ford Excursion
  • P77A5 Ford Expedition
  • P77A5 Ford Explorer
  • P77A5 Ford Explorer Sport Trac
  • P77A5 Ford F-150
  • P77A5 Ford F-250
  • P77A5 Ford F-350
  • P77A5 Ford Fiesta
  • P77A5 Ford Flex
  • P77A5 Ford Focus
  • P77A5 Ford Focus Electric
  • P77A5 Ford Freestar
  • P77A5 Ford Freestyle
  • P77A5 Ford Fusion
  • P77A5 Ford Fusion Energi
  • P77A5 Ford Fusion Hybrid
  • P77A5 Ford Fusion Plug-In Hybrid
  • P77A5 Ford GT
  • P77A5 Ford Mustang
  • P77A5 Ford Mustang Mach-E
  • P77A5 Ford Mystique
  • P77A5 Ford Probe
  • P77A5 Ford Ranger
  • P77A5 Ford Taurus
  • P77A5 Ford Taurus X
  • P77A5 Ford Tempo
  • P77A5 Ford Thunderbird
  • P77A5 Ford Transit
  • P77A5 Ford Transit Connect
  • P77A5 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.