B1191

B1191 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1191 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford B1191 Fault Code Meaning :

Ford B1191 Symptoms :

Ford B1191 Reasons :

How To Fix Ford B1191 Trouble Code ?

Which Ford cars have the code B1191?

  • B1191 Ford Aerostar
  • B1191 Ford Bronco
  • B1191 Ford C-Max
  • B1191 Ford C-Max Energi
  • B1191 Ford C-Max Hybrid
  • B1191 Ford Contour
  • B1191 Ford Crown Victoria
  • B1191 Ford EcoSport
  • B1191 Ford Econoline
  • B1191 Ford Edge
  • B1191 Ford Escape
  • B1191 Ford Escape Hybrid
  • B1191 Ford Escort
  • B1191 Ford Everest
  • B1191 Ford Excursion
  • B1191 Ford Expedition
  • B1191 Ford Explorer
  • B1191 Ford Explorer Sport Trac
  • B1191 Ford F-150
  • B1191 Ford F-250
  • B1191 Ford F-350
  • B1191 Ford Fiesta
  • B1191 Ford Flex
  • B1191 Ford Focus
  • B1191 Ford Focus Electric
  • B1191 Ford Freestar
  • B1191 Ford Freestyle
  • B1191 Ford Fusion
  • B1191 Ford Fusion Energi
  • B1191 Ford Fusion Hybrid
  • B1191 Ford Fusion Plug-In Hybrid
  • B1191 Ford GT
  • B1191 Ford Mustang
  • B1191 Ford Mustang Mach-E
  • B1191 Ford Mystique
  • B1191 Ford Probe
  • B1191 Ford Ranger
  • B1191 Ford Taurus
  • B1191 Ford Taurus X
  • B1191 Ford Tempo
  • B1191 Ford Thunderbird
  • B1191 Ford Transit
  • B1191 Ford Transit Connect
  • B1191 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.