P5A77

P5A77 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P5A77 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P5A77 Fault Code Meaning :

Ford P5A77 Symptoms :

Ford P5A77 Reasons :

How To Fix Ford P5A77 Trouble Code ?

Which Ford cars have the code P5A77?

  • P5A77 Ford Aerostar
  • P5A77 Ford Bronco
  • P5A77 Ford C-Max
  • P5A77 Ford C-Max Energi
  • P5A77 Ford C-Max Hybrid
  • P5A77 Ford Contour
  • P5A77 Ford Crown Victoria
  • P5A77 Ford EcoSport
  • P5A77 Ford Econoline
  • P5A77 Ford Edge
  • P5A77 Ford Escape
  • P5A77 Ford Escape Hybrid
  • P5A77 Ford Escort
  • P5A77 Ford Everest
  • P5A77 Ford Excursion
  • P5A77 Ford Expedition
  • P5A77 Ford Explorer
  • P5A77 Ford Explorer Sport Trac
  • P5A77 Ford F-150
  • P5A77 Ford F-250
  • P5A77 Ford F-350
  • P5A77 Ford Fiesta
  • P5A77 Ford Flex
  • P5A77 Ford Focus
  • P5A77 Ford Focus Electric
  • P5A77 Ford Freestar
  • P5A77 Ford Freestyle
  • P5A77 Ford Fusion
  • P5A77 Ford Fusion Energi
  • P5A77 Ford Fusion Hybrid
  • P5A77 Ford Fusion Plug-In Hybrid
  • P5A77 Ford GT
  • P5A77 Ford Mustang
  • P5A77 Ford Mustang Mach-E
  • P5A77 Ford Mystique
  • P5A77 Ford Probe
  • P5A77 Ford Ranger
  • P5A77 Ford Taurus
  • P5A77 Ford Taurus X
  • P5A77 Ford Tempo
  • P5A77 Ford Thunderbird
  • P5A77 Ford Transit
  • P5A77 Ford Transit Connect
  • P5A77 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.