P0C91

P0C91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0C91 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P0C91 Fault Code Meaning :

Ford P0C91 Symptoms :

Ford P0C91 Reasons :

How To Fix Ford P0C91 Trouble Code ?

Which Ford cars have the code P0C91?

  • P0C91 Ford Aerostar
  • P0C91 Ford Bronco
  • P0C91 Ford C-Max
  • P0C91 Ford C-Max Energi
  • P0C91 Ford C-Max Hybrid
  • P0C91 Ford Contour
  • P0C91 Ford Crown Victoria
  • P0C91 Ford EcoSport
  • P0C91 Ford Econoline
  • P0C91 Ford Edge
  • P0C91 Ford Escape
  • P0C91 Ford Escape Hybrid
  • P0C91 Ford Escort
  • P0C91 Ford Everest
  • P0C91 Ford Excursion
  • P0C91 Ford Expedition
  • P0C91 Ford Explorer
  • P0C91 Ford Explorer Sport Trac
  • P0C91 Ford F-150
  • P0C91 Ford F-250
  • P0C91 Ford F-350
  • P0C91 Ford Fiesta
  • P0C91 Ford Flex
  • P0C91 Ford Focus
  • P0C91 Ford Focus Electric
  • P0C91 Ford Freestar
  • P0C91 Ford Freestyle
  • P0C91 Ford Fusion
  • P0C91 Ford Fusion Energi
  • P0C91 Ford Fusion Hybrid
  • P0C91 Ford Fusion Plug-In Hybrid
  • P0C91 Ford GT
  • P0C91 Ford Mustang
  • P0C91 Ford Mustang Mach-E
  • P0C91 Ford Mystique
  • P0C91 Ford Probe
  • P0C91 Ford Ranger
  • P0C91 Ford Taurus
  • P0C91 Ford Taurus X
  • P0C91 Ford Tempo
  • P0C91 Ford Thunderbird
  • P0C91 Ford Transit
  • P0C91 Ford Transit Connect
  • P0C91 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.