P1B77

P1B77 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1B77 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 P1B77 Fault Code Meaning :

Ford P1B77 Symptoms :

Ford P1B77 Reasons :

How To Fix Ford P1B77 Trouble Code ?

Which Ford cars have the code P1B77?

  • P1B77 Ford Aerostar
  • P1B77 Ford Bronco
  • P1B77 Ford C-Max
  • P1B77 Ford C-Max Energi
  • P1B77 Ford C-Max Hybrid
  • P1B77 Ford Contour
  • P1B77 Ford Crown Victoria
  • P1B77 Ford EcoSport
  • P1B77 Ford Econoline
  • P1B77 Ford Edge
  • P1B77 Ford Escape
  • P1B77 Ford Escape Hybrid
  • P1B77 Ford Escort
  • P1B77 Ford Everest
  • P1B77 Ford Excursion
  • P1B77 Ford Expedition
  • P1B77 Ford Explorer
  • P1B77 Ford Explorer Sport Trac
  • P1B77 Ford F-150
  • P1B77 Ford F-250
  • P1B77 Ford F-350
  • P1B77 Ford Fiesta
  • P1B77 Ford Flex
  • P1B77 Ford Focus
  • P1B77 Ford Focus Electric
  • P1B77 Ford Freestar
  • P1B77 Ford Freestyle
  • P1B77 Ford Fusion
  • P1B77 Ford Fusion Energi
  • P1B77 Ford Fusion Hybrid
  • P1B77 Ford Fusion Plug-In Hybrid
  • P1B77 Ford GT
  • P1B77 Ford Mustang
  • P1B77 Ford Mustang Mach-E
  • P1B77 Ford Mystique
  • P1B77 Ford Probe
  • P1B77 Ford Ranger
  • P1B77 Ford Taurus
  • P1B77 Ford Taurus X
  • P1B77 Ford Tempo
  • P1B77 Ford Thunderbird
  • P1B77 Ford Transit
  • P1B77 Ford Transit Connect
  • P1B77 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.