P3957

P3957 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3957 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 FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P3957 Fault Code Meaning :

Ford P3957 Symptoms :

Ford P3957 Reasons :

How To Fix Ford P3957 Trouble Code ?

Which Ford cars have the code P3957?

  • P3957 Ford Aerostar
  • P3957 Ford Bronco
  • P3957 Ford C-Max
  • P3957 Ford C-Max Energi
  • P3957 Ford C-Max Hybrid
  • P3957 Ford Contour
  • P3957 Ford Crown Victoria
  • P3957 Ford EcoSport
  • P3957 Ford Econoline
  • P3957 Ford Edge
  • P3957 Ford Escape
  • P3957 Ford Escape Hybrid
  • P3957 Ford Escort
  • P3957 Ford Everest
  • P3957 Ford Excursion
  • P3957 Ford Expedition
  • P3957 Ford Explorer
  • P3957 Ford Explorer Sport Trac
  • P3957 Ford F-150
  • P3957 Ford F-250
  • P3957 Ford F-350
  • P3957 Ford Fiesta
  • P3957 Ford Flex
  • P3957 Ford Focus
  • P3957 Ford Focus Electric
  • P3957 Ford Freestar
  • P3957 Ford Freestyle
  • P3957 Ford Fusion
  • P3957 Ford Fusion Energi
  • P3957 Ford Fusion Hybrid
  • P3957 Ford Fusion Plug-In Hybrid
  • P3957 Ford GT
  • P3957 Ford Mustang
  • P3957 Ford Mustang Mach-E
  • P3957 Ford Mystique
  • P3957 Ford Probe
  • P3957 Ford Ranger
  • P3957 Ford Taurus
  • P3957 Ford Taurus X
  • P3957 Ford Tempo
  • P3957 Ford Thunderbird
  • P3957 Ford Transit
  • P3957 Ford Transit Connect
  • P3957 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.