P77B5

P77B5 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P77B5 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford P77B5 Fault Code Meaning :

Ford P77B5 Symptoms :

Ford P77B5 Reasons :

How To Fix Ford P77B5 Trouble Code ?

Which Ford cars have the code P77B5?

  • P77B5 Ford Aerostar
  • P77B5 Ford Bronco
  • P77B5 Ford C-Max
  • P77B5 Ford C-Max Energi
  • P77B5 Ford C-Max Hybrid
  • P77B5 Ford Contour
  • P77B5 Ford Crown Victoria
  • P77B5 Ford EcoSport
  • P77B5 Ford Econoline
  • P77B5 Ford Edge
  • P77B5 Ford Escape
  • P77B5 Ford Escape Hybrid
  • P77B5 Ford Escort
  • P77B5 Ford Everest
  • P77B5 Ford Excursion
  • P77B5 Ford Expedition
  • P77B5 Ford Explorer
  • P77B5 Ford Explorer Sport Trac
  • P77B5 Ford F-150
  • P77B5 Ford F-250
  • P77B5 Ford F-350
  • P77B5 Ford Fiesta
  • P77B5 Ford Flex
  • P77B5 Ford Focus
  • P77B5 Ford Focus Electric
  • P77B5 Ford Freestar
  • P77B5 Ford Freestyle
  • P77B5 Ford Fusion
  • P77B5 Ford Fusion Energi
  • P77B5 Ford Fusion Hybrid
  • P77B5 Ford Fusion Plug-In Hybrid
  • P77B5 Ford GT
  • P77B5 Ford Mustang
  • P77B5 Ford Mustang Mach-E
  • P77B5 Ford Mystique
  • P77B5 Ford Probe
  • P77B5 Ford Ranger
  • P77B5 Ford Taurus
  • P77B5 Ford Taurus X
  • P77B5 Ford Tempo
  • P77B5 Ford Thunderbird
  • P77B5 Ford Transit
  • P77B5 Ford Transit Connect
  • P77B5 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.