P78B2

P78B2 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78B2 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 P78B2 Fault Code Meaning :

Ford P78B2 Symptoms :

Ford P78B2 Reasons :

How To Fix Ford P78B2 Trouble Code ?

Which Ford cars have the code P78B2?

  • P78B2 Ford Aerostar
  • P78B2 Ford Bronco
  • P78B2 Ford C-Max
  • P78B2 Ford C-Max Energi
  • P78B2 Ford C-Max Hybrid
  • P78B2 Ford Contour
  • P78B2 Ford Crown Victoria
  • P78B2 Ford EcoSport
  • P78B2 Ford Econoline
  • P78B2 Ford Edge
  • P78B2 Ford Escape
  • P78B2 Ford Escape Hybrid
  • P78B2 Ford Escort
  • P78B2 Ford Everest
  • P78B2 Ford Excursion
  • P78B2 Ford Expedition
  • P78B2 Ford Explorer
  • P78B2 Ford Explorer Sport Trac
  • P78B2 Ford F-150
  • P78B2 Ford F-250
  • P78B2 Ford F-350
  • P78B2 Ford Fiesta
  • P78B2 Ford Flex
  • P78B2 Ford Focus
  • P78B2 Ford Focus Electric
  • P78B2 Ford Freestar
  • P78B2 Ford Freestyle
  • P78B2 Ford Fusion
  • P78B2 Ford Fusion Energi
  • P78B2 Ford Fusion Hybrid
  • P78B2 Ford Fusion Plug-In Hybrid
  • P78B2 Ford GT
  • P78B2 Ford Mustang
  • P78B2 Ford Mustang Mach-E
  • P78B2 Ford Mystique
  • P78B2 Ford Probe
  • P78B2 Ford Ranger
  • P78B2 Ford Taurus
  • P78B2 Ford Taurus X
  • P78B2 Ford Tempo
  • P78B2 Ford Thunderbird
  • P78B2 Ford Transit
  • P78B2 Ford Transit Connect
  • P78B2 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.