B0857

B0857 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0857 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 B0857 Fault Code Meaning :

Ford B0857 Symptoms :

Ford B0857 Reasons :

How To Fix Ford B0857 Trouble Code ?

Which Ford cars have the code B0857?

  • B0857 Ford Aerostar
  • B0857 Ford Bronco
  • B0857 Ford C-Max
  • B0857 Ford C-Max Energi
  • B0857 Ford C-Max Hybrid
  • B0857 Ford Contour
  • B0857 Ford Crown Victoria
  • B0857 Ford EcoSport
  • B0857 Ford Econoline
  • B0857 Ford Edge
  • B0857 Ford Escape
  • B0857 Ford Escape Hybrid
  • B0857 Ford Escort
  • B0857 Ford Everest
  • B0857 Ford Excursion
  • B0857 Ford Expedition
  • B0857 Ford Explorer
  • B0857 Ford Explorer Sport Trac
  • B0857 Ford F-150
  • B0857 Ford F-250
  • B0857 Ford F-350
  • B0857 Ford Fiesta
  • B0857 Ford Flex
  • B0857 Ford Focus
  • B0857 Ford Focus Electric
  • B0857 Ford Freestar
  • B0857 Ford Freestyle
  • B0857 Ford Fusion
  • B0857 Ford Fusion Energi
  • B0857 Ford Fusion Hybrid
  • B0857 Ford Fusion Plug-In Hybrid
  • B0857 Ford GT
  • B0857 Ford Mustang
  • B0857 Ford Mustang Mach-E
  • B0857 Ford Mystique
  • B0857 Ford Probe
  • B0857 Ford Ranger
  • B0857 Ford Taurus
  • B0857 Ford Taurus X
  • B0857 Ford Tempo
  • B0857 Ford Thunderbird
  • B0857 Ford Transit
  • B0857 Ford Transit Connect
  • B0857 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.