P1B91
P1B91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P1B91 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.
The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.
Ford P1B91 Fault Code Meaning :
Ford P1B91 Symptoms :
Ford P1B91 Reasons :
How To Fix Ford P1B91 Trouble Code ?
Which Ford cars have the code P1B91?
- P1B91 Ford Aerostar
- P1B91 Ford Bronco
- P1B91 Ford C-Max
- P1B91 Ford C-Max Energi
- P1B91 Ford C-Max Hybrid
- P1B91 Ford Contour
- P1B91 Ford Crown Victoria
- P1B91 Ford EcoSport
- P1B91 Ford Econoline
- P1B91 Ford Edge
- P1B91 Ford Escape
- P1B91 Ford Escape Hybrid
- P1B91 Ford Escort
- P1B91 Ford Everest
- P1B91 Ford Excursion
- P1B91 Ford Expedition
- P1B91 Ford Explorer
- P1B91 Ford Explorer Sport Trac
- P1B91 Ford F-150
- P1B91 Ford F-250
- P1B91 Ford F-350
- P1B91 Ford Fiesta
- P1B91 Ford Flex
- P1B91 Ford Focus
- P1B91 Ford Focus Electric
- P1B91 Ford Freestar
- P1B91 Ford Freestyle
- P1B91 Ford Fusion
- P1B91 Ford Fusion Energi
- P1B91 Ford Fusion Hybrid
- P1B91 Ford Fusion Plug-In Hybrid
- P1B91 Ford GT
- P1B91 Ford Mustang
- P1B91 Ford Mustang Mach-E
- P1B91 Ford Mystique
- P1B91 Ford Probe
- P1B91 Ford Ranger
- P1B91 Ford Taurus
- P1B91 Ford Taurus X
- P1B91 Ford Tempo
- P1B91 Ford Thunderbird
- P1B91 Ford Transit
- P1B91 Ford Transit Connect
- P1B91 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.