B0191

B0191 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0191 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 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 disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford B0191 Fault Code Meaning :

Ford B0191 Symptoms :

Ford B0191 Reasons :

How To Fix Ford B0191 Trouble Code ?

Which Ford cars have the code B0191?

  • B0191 Ford Aerostar
  • B0191 Ford Bronco
  • B0191 Ford C-Max
  • B0191 Ford C-Max Energi
  • B0191 Ford C-Max Hybrid
  • B0191 Ford Contour
  • B0191 Ford Crown Victoria
  • B0191 Ford EcoSport
  • B0191 Ford Econoline
  • B0191 Ford Edge
  • B0191 Ford Escape
  • B0191 Ford Escape Hybrid
  • B0191 Ford Escort
  • B0191 Ford Everest
  • B0191 Ford Excursion
  • B0191 Ford Expedition
  • B0191 Ford Explorer
  • B0191 Ford Explorer Sport Trac
  • B0191 Ford F-150
  • B0191 Ford F-250
  • B0191 Ford F-350
  • B0191 Ford Fiesta
  • B0191 Ford Flex
  • B0191 Ford Focus
  • B0191 Ford Focus Electric
  • B0191 Ford Freestar
  • B0191 Ford Freestyle
  • B0191 Ford Fusion
  • B0191 Ford Fusion Energi
  • B0191 Ford Fusion Hybrid
  • B0191 Ford Fusion Plug-In Hybrid
  • B0191 Ford GT
  • B0191 Ford Mustang
  • B0191 Ford Mustang Mach-E
  • B0191 Ford Mystique
  • B0191 Ford Probe
  • B0191 Ford Ranger
  • B0191 Ford Taurus
  • B0191 Ford Taurus X
  • B0191 Ford Tempo
  • B0191 Ford Thunderbird
  • B0191 Ford Transit
  • B0191 Ford Transit Connect
  • B0191 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.