P7A91

P7A91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P7A91 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 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 P7A91 Fault Code Meaning :

Ford P7A91 Symptoms :

Ford P7A91 Reasons :

How To Fix Ford P7A91 Trouble Code ?

Which Ford cars have the code P7A91?

  • P7A91 Ford Aerostar
  • P7A91 Ford Bronco
  • P7A91 Ford C-Max
  • P7A91 Ford C-Max Energi
  • P7A91 Ford C-Max Hybrid
  • P7A91 Ford Contour
  • P7A91 Ford Crown Victoria
  • P7A91 Ford EcoSport
  • P7A91 Ford Econoline
  • P7A91 Ford Edge
  • P7A91 Ford Escape
  • P7A91 Ford Escape Hybrid
  • P7A91 Ford Escort
  • P7A91 Ford Everest
  • P7A91 Ford Excursion
  • P7A91 Ford Expedition
  • P7A91 Ford Explorer
  • P7A91 Ford Explorer Sport Trac
  • P7A91 Ford F-150
  • P7A91 Ford F-250
  • P7A91 Ford F-350
  • P7A91 Ford Fiesta
  • P7A91 Ford Flex
  • P7A91 Ford Focus
  • P7A91 Ford Focus Electric
  • P7A91 Ford Freestar
  • P7A91 Ford Freestyle
  • P7A91 Ford Fusion
  • P7A91 Ford Fusion Energi
  • P7A91 Ford Fusion Hybrid
  • P7A91 Ford Fusion Plug-In Hybrid
  • P7A91 Ford GT
  • P7A91 Ford Mustang
  • P7A91 Ford Mustang Mach-E
  • P7A91 Ford Mystique
  • P7A91 Ford Probe
  • P7A91 Ford Ranger
  • P7A91 Ford Taurus
  • P7A91 Ford Taurus X
  • P7A91 Ford Tempo
  • P7A91 Ford Thunderbird
  • P7A91 Ford Transit
  • P7A91 Ford Transit Connect
  • P7A91 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.