B0278

B0278 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0278 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.

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 B0278 Fault Code Meaning :

Ford B0278 Symptoms :

Ford B0278 Reasons :

How To Fix Ford B0278 Trouble Code ?

Which Ford cars have the code B0278?

  • B0278 Ford Aerostar
  • B0278 Ford Bronco
  • B0278 Ford C-Max
  • B0278 Ford C-Max Energi
  • B0278 Ford C-Max Hybrid
  • B0278 Ford Contour
  • B0278 Ford Crown Victoria
  • B0278 Ford EcoSport
  • B0278 Ford Econoline
  • B0278 Ford Edge
  • B0278 Ford Escape
  • B0278 Ford Escape Hybrid
  • B0278 Ford Escort
  • B0278 Ford Everest
  • B0278 Ford Excursion
  • B0278 Ford Expedition
  • B0278 Ford Explorer
  • B0278 Ford Explorer Sport Trac
  • B0278 Ford F-150
  • B0278 Ford F-250
  • B0278 Ford F-350
  • B0278 Ford Fiesta
  • B0278 Ford Flex
  • B0278 Ford Focus
  • B0278 Ford Focus Electric
  • B0278 Ford Freestar
  • B0278 Ford Freestyle
  • B0278 Ford Fusion
  • B0278 Ford Fusion Energi
  • B0278 Ford Fusion Hybrid
  • B0278 Ford Fusion Plug-In Hybrid
  • B0278 Ford GT
  • B0278 Ford Mustang
  • B0278 Ford Mustang Mach-E
  • B0278 Ford Mystique
  • B0278 Ford Probe
  • B0278 Ford Ranger
  • B0278 Ford Taurus
  • B0278 Ford Taurus X
  • B0278 Ford Tempo
  • B0278 Ford Thunderbird
  • B0278 Ford Transit
  • B0278 Ford Transit Connect
  • B0278 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.