C3257

C3257 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3257 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 supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford C3257 Fault Code Meaning :

Ford C3257 Symptoms :

Ford C3257 Reasons :

How To Fix Ford C3257 Trouble Code ?

Which Ford cars have the code C3257?

  • C3257 Ford Aerostar
  • C3257 Ford Bronco
  • C3257 Ford C-Max
  • C3257 Ford C-Max Energi
  • C3257 Ford C-Max Hybrid
  • C3257 Ford Contour
  • C3257 Ford Crown Victoria
  • C3257 Ford EcoSport
  • C3257 Ford Econoline
  • C3257 Ford Edge
  • C3257 Ford Escape
  • C3257 Ford Escape Hybrid
  • C3257 Ford Escort
  • C3257 Ford Everest
  • C3257 Ford Excursion
  • C3257 Ford Expedition
  • C3257 Ford Explorer
  • C3257 Ford Explorer Sport Trac
  • C3257 Ford F-150
  • C3257 Ford F-250
  • C3257 Ford F-350
  • C3257 Ford Fiesta
  • C3257 Ford Flex
  • C3257 Ford Focus
  • C3257 Ford Focus Electric
  • C3257 Ford Freestar
  • C3257 Ford Freestyle
  • C3257 Ford Fusion
  • C3257 Ford Fusion Energi
  • C3257 Ford Fusion Hybrid
  • C3257 Ford Fusion Plug-In Hybrid
  • C3257 Ford GT
  • C3257 Ford Mustang
  • C3257 Ford Mustang Mach-E
  • C3257 Ford Mystique
  • C3257 Ford Probe
  • C3257 Ford Ranger
  • C3257 Ford Taurus
  • C3257 Ford Taurus X
  • C3257 Ford Tempo
  • C3257 Ford Thunderbird
  • C3257 Ford Transit
  • C3257 Ford Transit Connect
  • C3257 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.