P57A4

P57A4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P57A4 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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 P57A4 Fault Code Meaning :

Ford P57A4 Symptoms :

Ford P57A4 Reasons :

How To Fix Ford P57A4 Trouble Code ?

Which Ford cars have the code P57A4?

  • P57A4 Ford Aerostar
  • P57A4 Ford Bronco
  • P57A4 Ford C-Max
  • P57A4 Ford C-Max Energi
  • P57A4 Ford C-Max Hybrid
  • P57A4 Ford Contour
  • P57A4 Ford Crown Victoria
  • P57A4 Ford EcoSport
  • P57A4 Ford Econoline
  • P57A4 Ford Edge
  • P57A4 Ford Escape
  • P57A4 Ford Escape Hybrid
  • P57A4 Ford Escort
  • P57A4 Ford Everest
  • P57A4 Ford Excursion
  • P57A4 Ford Expedition
  • P57A4 Ford Explorer
  • P57A4 Ford Explorer Sport Trac
  • P57A4 Ford F-150
  • P57A4 Ford F-250
  • P57A4 Ford F-350
  • P57A4 Ford Fiesta
  • P57A4 Ford Flex
  • P57A4 Ford Focus
  • P57A4 Ford Focus Electric
  • P57A4 Ford Freestar
  • P57A4 Ford Freestyle
  • P57A4 Ford Fusion
  • P57A4 Ford Fusion Energi
  • P57A4 Ford Fusion Hybrid
  • P57A4 Ford Fusion Plug-In Hybrid
  • P57A4 Ford GT
  • P57A4 Ford Mustang
  • P57A4 Ford Mustang Mach-E
  • P57A4 Ford Mystique
  • P57A4 Ford Probe
  • P57A4 Ford Ranger
  • P57A4 Ford Taurus
  • P57A4 Ford Taurus X
  • P57A4 Ford Tempo
  • P57A4 Ford Thunderbird
  • P57A4 Ford Transit
  • P57A4 Ford Transit Connect
  • P57A4 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.