P1D91

P1D91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1D91 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 ICU reads the wiper switch position and sends the status of the switch to the BHM. This fault becomes active when the ICU reads that both LO speed and HI speed are active at the same time.

The BHM measures the current on this circuit when the headlamp output is commanded ON. This fault indicates that the left high beam headlamp circuit is drawing more current than it is designed to supply and possibly there is a wiring fault shorting this circuit to ground.

Ford P1D91 Fault Code Meaning :

Ford P1D91 Symptoms :

Ford P1D91 Reasons :

How To Fix Ford P1D91 Trouble Code ?

Which Ford cars have the code P1D91?

  • P1D91 Ford Aerostar
  • P1D91 Ford Bronco
  • P1D91 Ford C-Max
  • P1D91 Ford C-Max Energi
  • P1D91 Ford C-Max Hybrid
  • P1D91 Ford Contour
  • P1D91 Ford Crown Victoria
  • P1D91 Ford EcoSport
  • P1D91 Ford Econoline
  • P1D91 Ford Edge
  • P1D91 Ford Escape
  • P1D91 Ford Escape Hybrid
  • P1D91 Ford Escort
  • P1D91 Ford Everest
  • P1D91 Ford Excursion
  • P1D91 Ford Expedition
  • P1D91 Ford Explorer
  • P1D91 Ford Explorer Sport Trac
  • P1D91 Ford F-150
  • P1D91 Ford F-250
  • P1D91 Ford F-350
  • P1D91 Ford Fiesta
  • P1D91 Ford Flex
  • P1D91 Ford Focus
  • P1D91 Ford Focus Electric
  • P1D91 Ford Freestar
  • P1D91 Ford Freestyle
  • P1D91 Ford Fusion
  • P1D91 Ford Fusion Energi
  • P1D91 Ford Fusion Hybrid
  • P1D91 Ford Fusion Plug-In Hybrid
  • P1D91 Ford GT
  • P1D91 Ford Mustang
  • P1D91 Ford Mustang Mach-E
  • P1D91 Ford Mystique
  • P1D91 Ford Probe
  • P1D91 Ford Ranger
  • P1D91 Ford Taurus
  • P1D91 Ford Taurus X
  • P1D91 Ford Tempo
  • P1D91 Ford Thunderbird
  • P1D91 Ford Transit
  • P1D91 Ford Transit Connect
  • P1D91 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.