B257B

B257B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B257B 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.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford B257B Fault Code Meaning :

Ford B257B Symptoms :

Ford B257B Reasons :

How To Fix Ford B257B Trouble Code ?

Which Ford cars have the code B257B?

  • B257B Ford Aerostar
  • B257B Ford Bronco
  • B257B Ford C-Max
  • B257B Ford C-Max Energi
  • B257B Ford C-Max Hybrid
  • B257B Ford Contour
  • B257B Ford Crown Victoria
  • B257B Ford EcoSport
  • B257B Ford Econoline
  • B257B Ford Edge
  • B257B Ford Escape
  • B257B Ford Escape Hybrid
  • B257B Ford Escort
  • B257B Ford Everest
  • B257B Ford Excursion
  • B257B Ford Expedition
  • B257B Ford Explorer
  • B257B Ford Explorer Sport Trac
  • B257B Ford F-150
  • B257B Ford F-250
  • B257B Ford F-350
  • B257B Ford Fiesta
  • B257B Ford Flex
  • B257B Ford Focus
  • B257B Ford Focus Electric
  • B257B Ford Freestar
  • B257B Ford Freestyle
  • B257B Ford Fusion
  • B257B Ford Fusion Energi
  • B257B Ford Fusion Hybrid
  • B257B Ford Fusion Plug-In Hybrid
  • B257B Ford GT
  • B257B Ford Mustang
  • B257B Ford Mustang Mach-E
  • B257B Ford Mystique
  • B257B Ford Probe
  • B257B Ford Ranger
  • B257B Ford Taurus
  • B257B Ford Taurus X
  • B257B Ford Tempo
  • B257B Ford Thunderbird
  • B257B Ford Transit
  • B257B Ford Transit Connect
  • B257B 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.