P791A

P791A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P791A 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 P791A Fault Code Meaning :

Ford P791A Symptoms :

Ford P791A Reasons :

How To Fix Ford P791A Trouble Code ?

Which Ford cars have the code P791A?

  • P791A Ford Aerostar
  • P791A Ford Bronco
  • P791A Ford C-Max
  • P791A Ford C-Max Energi
  • P791A Ford C-Max Hybrid
  • P791A Ford Contour
  • P791A Ford Crown Victoria
  • P791A Ford EcoSport
  • P791A Ford Econoline
  • P791A Ford Edge
  • P791A Ford Escape
  • P791A Ford Escape Hybrid
  • P791A Ford Escort
  • P791A Ford Everest
  • P791A Ford Excursion
  • P791A Ford Expedition
  • P791A Ford Explorer
  • P791A Ford Explorer Sport Trac
  • P791A Ford F-150
  • P791A Ford F-250
  • P791A Ford F-350
  • P791A Ford Fiesta
  • P791A Ford Flex
  • P791A Ford Focus
  • P791A Ford Focus Electric
  • P791A Ford Freestar
  • P791A Ford Freestyle
  • P791A Ford Fusion
  • P791A Ford Fusion Energi
  • P791A Ford Fusion Hybrid
  • P791A Ford Fusion Plug-In Hybrid
  • P791A Ford GT
  • P791A Ford Mustang
  • P791A Ford Mustang Mach-E
  • P791A Ford Mystique
  • P791A Ford Probe
  • P791A Ford Ranger
  • P791A Ford Taurus
  • P791A Ford Taurus X
  • P791A Ford Tempo
  • P791A Ford Thunderbird
  • P791A Ford Transit
  • P791A Ford Transit Connect
  • P791A 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.