C0257

C0257 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0257 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford C0257 Fault Code Meaning :

Ford C0257 Symptoms :

Ford C0257 Reasons :

How To Fix Ford C0257 Trouble Code ?

Which Ford cars have the code C0257?

  • C0257 Ford Aerostar
  • C0257 Ford Bronco
  • C0257 Ford C-Max
  • C0257 Ford C-Max Energi
  • C0257 Ford C-Max Hybrid
  • C0257 Ford Contour
  • C0257 Ford Crown Victoria
  • C0257 Ford EcoSport
  • C0257 Ford Econoline
  • C0257 Ford Edge
  • C0257 Ford Escape
  • C0257 Ford Escape Hybrid
  • C0257 Ford Escort
  • C0257 Ford Everest
  • C0257 Ford Excursion
  • C0257 Ford Expedition
  • C0257 Ford Explorer
  • C0257 Ford Explorer Sport Trac
  • C0257 Ford F-150
  • C0257 Ford F-250
  • C0257 Ford F-350
  • C0257 Ford Fiesta
  • C0257 Ford Flex
  • C0257 Ford Focus
  • C0257 Ford Focus Electric
  • C0257 Ford Freestar
  • C0257 Ford Freestyle
  • C0257 Ford Fusion
  • C0257 Ford Fusion Energi
  • C0257 Ford Fusion Hybrid
  • C0257 Ford Fusion Plug-In Hybrid
  • C0257 Ford GT
  • C0257 Ford Mustang
  • C0257 Ford Mustang Mach-E
  • C0257 Ford Mystique
  • C0257 Ford Probe
  • C0257 Ford Ranger
  • C0257 Ford Taurus
  • C0257 Ford Taurus X
  • C0257 Ford Tempo
  • C0257 Ford Thunderbird
  • C0257 Ford Transit
  • C0257 Ford Transit Connect
  • C0257 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.