B3178

B3178 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3178 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 B3178 Fault Code Meaning :

Ford B3178 Symptoms :

Ford B3178 Reasons :

How To Fix Ford B3178 Trouble Code ?

Which Ford cars have the code B3178?

  • B3178 Ford Aerostar
  • B3178 Ford Bronco
  • B3178 Ford C-Max
  • B3178 Ford C-Max Energi
  • B3178 Ford C-Max Hybrid
  • B3178 Ford Contour
  • B3178 Ford Crown Victoria
  • B3178 Ford EcoSport
  • B3178 Ford Econoline
  • B3178 Ford Edge
  • B3178 Ford Escape
  • B3178 Ford Escape Hybrid
  • B3178 Ford Escort
  • B3178 Ford Everest
  • B3178 Ford Excursion
  • B3178 Ford Expedition
  • B3178 Ford Explorer
  • B3178 Ford Explorer Sport Trac
  • B3178 Ford F-150
  • B3178 Ford F-250
  • B3178 Ford F-350
  • B3178 Ford Fiesta
  • B3178 Ford Flex
  • B3178 Ford Focus
  • B3178 Ford Focus Electric
  • B3178 Ford Freestar
  • B3178 Ford Freestyle
  • B3178 Ford Fusion
  • B3178 Ford Fusion Energi
  • B3178 Ford Fusion Hybrid
  • B3178 Ford Fusion Plug-In Hybrid
  • B3178 Ford GT
  • B3178 Ford Mustang
  • B3178 Ford Mustang Mach-E
  • B3178 Ford Mystique
  • B3178 Ford Probe
  • B3178 Ford Ranger
  • B3178 Ford Taurus
  • B3178 Ford Taurus X
  • B3178 Ford Tempo
  • B3178 Ford Thunderbird
  • B3178 Ford Transit
  • B3178 Ford Transit Connect
  • B3178 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.