B3957

B3957 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3957 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.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 B3957 Fault Code Meaning :

Ford B3957 Symptoms :

Ford B3957 Reasons :

How To Fix Ford B3957 Trouble Code ?

Which Ford cars have the code B3957?

  • B3957 Ford Aerostar
  • B3957 Ford Bronco
  • B3957 Ford C-Max
  • B3957 Ford C-Max Energi
  • B3957 Ford C-Max Hybrid
  • B3957 Ford Contour
  • B3957 Ford Crown Victoria
  • B3957 Ford EcoSport
  • B3957 Ford Econoline
  • B3957 Ford Edge
  • B3957 Ford Escape
  • B3957 Ford Escape Hybrid
  • B3957 Ford Escort
  • B3957 Ford Everest
  • B3957 Ford Excursion
  • B3957 Ford Expedition
  • B3957 Ford Explorer
  • B3957 Ford Explorer Sport Trac
  • B3957 Ford F-150
  • B3957 Ford F-250
  • B3957 Ford F-350
  • B3957 Ford Fiesta
  • B3957 Ford Flex
  • B3957 Ford Focus
  • B3957 Ford Focus Electric
  • B3957 Ford Freestar
  • B3957 Ford Freestyle
  • B3957 Ford Fusion
  • B3957 Ford Fusion Energi
  • B3957 Ford Fusion Hybrid
  • B3957 Ford Fusion Plug-In Hybrid
  • B3957 Ford GT
  • B3957 Ford Mustang
  • B3957 Ford Mustang Mach-E
  • B3957 Ford Mystique
  • B3957 Ford Probe
  • B3957 Ford Ranger
  • B3957 Ford Taurus
  • B3957 Ford Taurus X
  • B3957 Ford Tempo
  • B3957 Ford Thunderbird
  • B3957 Ford Transit
  • B3957 Ford Transit Connect
  • B3957 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.