P7A77

P7A77 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P7A77 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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 BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford P7A77 Fault Code Meaning :

Ford P7A77 Symptoms :

Ford P7A77 Reasons :

How To Fix Ford P7A77 Trouble Code ?

Which Ford cars have the code P7A77?

  • P7A77 Ford Aerostar
  • P7A77 Ford Bronco
  • P7A77 Ford C-Max
  • P7A77 Ford C-Max Energi
  • P7A77 Ford C-Max Hybrid
  • P7A77 Ford Contour
  • P7A77 Ford Crown Victoria
  • P7A77 Ford EcoSport
  • P7A77 Ford Econoline
  • P7A77 Ford Edge
  • P7A77 Ford Escape
  • P7A77 Ford Escape Hybrid
  • P7A77 Ford Escort
  • P7A77 Ford Everest
  • P7A77 Ford Excursion
  • P7A77 Ford Expedition
  • P7A77 Ford Explorer
  • P7A77 Ford Explorer Sport Trac
  • P7A77 Ford F-150
  • P7A77 Ford F-250
  • P7A77 Ford F-350
  • P7A77 Ford Fiesta
  • P7A77 Ford Flex
  • P7A77 Ford Focus
  • P7A77 Ford Focus Electric
  • P7A77 Ford Freestar
  • P7A77 Ford Freestyle
  • P7A77 Ford Fusion
  • P7A77 Ford Fusion Energi
  • P7A77 Ford Fusion Hybrid
  • P7A77 Ford Fusion Plug-In Hybrid
  • P7A77 Ford GT
  • P7A77 Ford Mustang
  • P7A77 Ford Mustang Mach-E
  • P7A77 Ford Mystique
  • P7A77 Ford Probe
  • P7A77 Ford Ranger
  • P7A77 Ford Taurus
  • P7A77 Ford Taurus X
  • P7A77 Ford Tempo
  • P7A77 Ford Thunderbird
  • P7A77 Ford Transit
  • P7A77 Ford Transit Connect
  • P7A77 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.