P91D0

P91D0 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P91D0 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 P91D0 Fault Code Meaning :

Ford P91D0 Symptoms :

Ford P91D0 Reasons :

How To Fix Ford P91D0 Trouble Code ?

Which Ford cars have the code P91D0?

  • P91D0 Ford Aerostar
  • P91D0 Ford Bronco
  • P91D0 Ford C-Max
  • P91D0 Ford C-Max Energi
  • P91D0 Ford C-Max Hybrid
  • P91D0 Ford Contour
  • P91D0 Ford Crown Victoria
  • P91D0 Ford EcoSport
  • P91D0 Ford Econoline
  • P91D0 Ford Edge
  • P91D0 Ford Escape
  • P91D0 Ford Escape Hybrid
  • P91D0 Ford Escort
  • P91D0 Ford Everest
  • P91D0 Ford Excursion
  • P91D0 Ford Expedition
  • P91D0 Ford Explorer
  • P91D0 Ford Explorer Sport Trac
  • P91D0 Ford F-150
  • P91D0 Ford F-250
  • P91D0 Ford F-350
  • P91D0 Ford Fiesta
  • P91D0 Ford Flex
  • P91D0 Ford Focus
  • P91D0 Ford Focus Electric
  • P91D0 Ford Freestar
  • P91D0 Ford Freestyle
  • P91D0 Ford Fusion
  • P91D0 Ford Fusion Energi
  • P91D0 Ford Fusion Hybrid
  • P91D0 Ford Fusion Plug-In Hybrid
  • P91D0 Ford GT
  • P91D0 Ford Mustang
  • P91D0 Ford Mustang Mach-E
  • P91D0 Ford Mystique
  • P91D0 Ford Probe
  • P91D0 Ford Ranger
  • P91D0 Ford Taurus
  • P91D0 Ford Taurus X
  • P91D0 Ford Tempo
  • P91D0 Ford Thunderbird
  • P91D0 Ford Transit
  • P91D0 Ford Transit Connect
  • P91D0 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.