P91F1

P91F1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P91F1 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 OFF.

The top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford P91F1 Fault Code Meaning :

Ford P91F1 Symptoms :

Ford P91F1 Reasons :

How To Fix Ford P91F1 Trouble Code ?

Which Ford cars have the code P91F1?

  • P91F1 Ford Aerostar
  • P91F1 Ford Bronco
  • P91F1 Ford C-Max
  • P91F1 Ford C-Max Energi
  • P91F1 Ford C-Max Hybrid
  • P91F1 Ford Contour
  • P91F1 Ford Crown Victoria
  • P91F1 Ford EcoSport
  • P91F1 Ford Econoline
  • P91F1 Ford Edge
  • P91F1 Ford Escape
  • P91F1 Ford Escape Hybrid
  • P91F1 Ford Escort
  • P91F1 Ford Everest
  • P91F1 Ford Excursion
  • P91F1 Ford Expedition
  • P91F1 Ford Explorer
  • P91F1 Ford Explorer Sport Trac
  • P91F1 Ford F-150
  • P91F1 Ford F-250
  • P91F1 Ford F-350
  • P91F1 Ford Fiesta
  • P91F1 Ford Flex
  • P91F1 Ford Focus
  • P91F1 Ford Focus Electric
  • P91F1 Ford Freestar
  • P91F1 Ford Freestyle
  • P91F1 Ford Fusion
  • P91F1 Ford Fusion Energi
  • P91F1 Ford Fusion Hybrid
  • P91F1 Ford Fusion Plug-In Hybrid
  • P91F1 Ford GT
  • P91F1 Ford Mustang
  • P91F1 Ford Mustang Mach-E
  • P91F1 Ford Mystique
  • P91F1 Ford Probe
  • P91F1 Ford Ranger
  • P91F1 Ford Taurus
  • P91F1 Ford Taurus X
  • P91F1 Ford Tempo
  • P91F1 Ford Thunderbird
  • P91F1 Ford Transit
  • P91F1 Ford Transit Connect
  • P91F1 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.