P312B

P312B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P312B 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 P312B Fault Code Meaning :

Ford P312B Symptoms :

Ford P312B Reasons :

How To Fix Ford P312B Trouble Code ?

Which Ford cars have the code P312B?

  • P312B Ford Aerostar
  • P312B Ford Bronco
  • P312B Ford C-Max
  • P312B Ford C-Max Energi
  • P312B Ford C-Max Hybrid
  • P312B Ford Contour
  • P312B Ford Crown Victoria
  • P312B Ford EcoSport
  • P312B Ford Econoline
  • P312B Ford Edge
  • P312B Ford Escape
  • P312B Ford Escape Hybrid
  • P312B Ford Escort
  • P312B Ford Everest
  • P312B Ford Excursion
  • P312B Ford Expedition
  • P312B Ford Explorer
  • P312B Ford Explorer Sport Trac
  • P312B Ford F-150
  • P312B Ford F-250
  • P312B Ford F-350
  • P312B Ford Fiesta
  • P312B Ford Flex
  • P312B Ford Focus
  • P312B Ford Focus Electric
  • P312B Ford Freestar
  • P312B Ford Freestyle
  • P312B Ford Fusion
  • P312B Ford Fusion Energi
  • P312B Ford Fusion Hybrid
  • P312B Ford Fusion Plug-In Hybrid
  • P312B Ford GT
  • P312B Ford Mustang
  • P312B Ford Mustang Mach-E
  • P312B Ford Mystique
  • P312B Ford Probe
  • P312B Ford Ranger
  • P312B Ford Taurus
  • P312B Ford Taurus X
  • P312B Ford Tempo
  • P312B Ford Thunderbird
  • P312B Ford Transit
  • P312B Ford Transit Connect
  • P312B 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.