P31D4

P31D4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P31D4 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 P31D4 Fault Code Meaning :

Ford P31D4 Symptoms :

Ford P31D4 Reasons :

How To Fix Ford P31D4 Trouble Code ?

Which Ford cars have the code P31D4?

  • P31D4 Ford Aerostar
  • P31D4 Ford Bronco
  • P31D4 Ford C-Max
  • P31D4 Ford C-Max Energi
  • P31D4 Ford C-Max Hybrid
  • P31D4 Ford Contour
  • P31D4 Ford Crown Victoria
  • P31D4 Ford EcoSport
  • P31D4 Ford Econoline
  • P31D4 Ford Edge
  • P31D4 Ford Escape
  • P31D4 Ford Escape Hybrid
  • P31D4 Ford Escort
  • P31D4 Ford Everest
  • P31D4 Ford Excursion
  • P31D4 Ford Expedition
  • P31D4 Ford Explorer
  • P31D4 Ford Explorer Sport Trac
  • P31D4 Ford F-150
  • P31D4 Ford F-250
  • P31D4 Ford F-350
  • P31D4 Ford Fiesta
  • P31D4 Ford Flex
  • P31D4 Ford Focus
  • P31D4 Ford Focus Electric
  • P31D4 Ford Freestar
  • P31D4 Ford Freestyle
  • P31D4 Ford Fusion
  • P31D4 Ford Fusion Energi
  • P31D4 Ford Fusion Hybrid
  • P31D4 Ford Fusion Plug-In Hybrid
  • P31D4 Ford GT
  • P31D4 Ford Mustang
  • P31D4 Ford Mustang Mach-E
  • P31D4 Ford Mystique
  • P31D4 Ford Probe
  • P31D4 Ford Ranger
  • P31D4 Ford Taurus
  • P31D4 Ford Taurus X
  • P31D4 Ford Tempo
  • P31D4 Ford Thunderbird
  • P31D4 Ford Transit
  • P31D4 Ford Transit Connect
  • P31D4 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.