C0449

C0449 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0449 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 C0449 Fault Code Meaning :

Ford C0449 Symptoms :

Ford C0449 Reasons :

How To Fix Ford C0449 Trouble Code ?

Which Ford cars have the code C0449?

  • C0449 Ford Aerostar
  • C0449 Ford Bronco
  • C0449 Ford C-Max
  • C0449 Ford C-Max Energi
  • C0449 Ford C-Max Hybrid
  • C0449 Ford Contour
  • C0449 Ford Crown Victoria
  • C0449 Ford EcoSport
  • C0449 Ford Econoline
  • C0449 Ford Edge
  • C0449 Ford Escape
  • C0449 Ford Escape Hybrid
  • C0449 Ford Escort
  • C0449 Ford Everest
  • C0449 Ford Excursion
  • C0449 Ford Expedition
  • C0449 Ford Explorer
  • C0449 Ford Explorer Sport Trac
  • C0449 Ford F-150
  • C0449 Ford F-250
  • C0449 Ford F-350
  • C0449 Ford Fiesta
  • C0449 Ford Flex
  • C0449 Ford Focus
  • C0449 Ford Focus Electric
  • C0449 Ford Freestar
  • C0449 Ford Freestyle
  • C0449 Ford Fusion
  • C0449 Ford Fusion Energi
  • C0449 Ford Fusion Hybrid
  • C0449 Ford Fusion Plug-In Hybrid
  • C0449 Ford GT
  • C0449 Ford Mustang
  • C0449 Ford Mustang Mach-E
  • C0449 Ford Mystique
  • C0449 Ford Probe
  • C0449 Ford Ranger
  • C0449 Ford Taurus
  • C0449 Ford Taurus X
  • C0449 Ford Tempo
  • C0449 Ford Thunderbird
  • C0449 Ford Transit
  • C0449 Ford Transit Connect
  • C0449 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.