P3B77

P3B77 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3B77 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 FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P3B77 Fault Code Meaning :

Ford P3B77 Symptoms :

Ford P3B77 Reasons :

How To Fix Ford P3B77 Trouble Code ?

Which Ford cars have the code P3B77?

  • P3B77 Ford Aerostar
  • P3B77 Ford Bronco
  • P3B77 Ford C-Max
  • P3B77 Ford C-Max Energi
  • P3B77 Ford C-Max Hybrid
  • P3B77 Ford Contour
  • P3B77 Ford Crown Victoria
  • P3B77 Ford EcoSport
  • P3B77 Ford Econoline
  • P3B77 Ford Edge
  • P3B77 Ford Escape
  • P3B77 Ford Escape Hybrid
  • P3B77 Ford Escort
  • P3B77 Ford Everest
  • P3B77 Ford Excursion
  • P3B77 Ford Expedition
  • P3B77 Ford Explorer
  • P3B77 Ford Explorer Sport Trac
  • P3B77 Ford F-150
  • P3B77 Ford F-250
  • P3B77 Ford F-350
  • P3B77 Ford Fiesta
  • P3B77 Ford Flex
  • P3B77 Ford Focus
  • P3B77 Ford Focus Electric
  • P3B77 Ford Freestar
  • P3B77 Ford Freestyle
  • P3B77 Ford Fusion
  • P3B77 Ford Fusion Energi
  • P3B77 Ford Fusion Hybrid
  • P3B77 Ford Fusion Plug-In Hybrid
  • P3B77 Ford GT
  • P3B77 Ford Mustang
  • P3B77 Ford Mustang Mach-E
  • P3B77 Ford Mystique
  • P3B77 Ford Probe
  • P3B77 Ford Ranger
  • P3B77 Ford Taurus
  • P3B77 Ford Taurus X
  • P3B77 Ford Tempo
  • P3B77 Ford Thunderbird
  • P3B77 Ford Transit
  • P3B77 Ford Transit Connect
  • P3B77 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.