P1D81

P1D81 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1D81 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 P1D81 Fault Code Meaning :

Ford P1D81 Symptoms :

Ford P1D81 Reasons :

How To Fix Ford P1D81 Trouble Code ?

Which Ford cars have the code P1D81?

  • P1D81 Ford Aerostar
  • P1D81 Ford Bronco
  • P1D81 Ford C-Max
  • P1D81 Ford C-Max Energi
  • P1D81 Ford C-Max Hybrid
  • P1D81 Ford Contour
  • P1D81 Ford Crown Victoria
  • P1D81 Ford EcoSport
  • P1D81 Ford Econoline
  • P1D81 Ford Edge
  • P1D81 Ford Escape
  • P1D81 Ford Escape Hybrid
  • P1D81 Ford Escort
  • P1D81 Ford Everest
  • P1D81 Ford Excursion
  • P1D81 Ford Expedition
  • P1D81 Ford Explorer
  • P1D81 Ford Explorer Sport Trac
  • P1D81 Ford F-150
  • P1D81 Ford F-250
  • P1D81 Ford F-350
  • P1D81 Ford Fiesta
  • P1D81 Ford Flex
  • P1D81 Ford Focus
  • P1D81 Ford Focus Electric
  • P1D81 Ford Freestar
  • P1D81 Ford Freestyle
  • P1D81 Ford Fusion
  • P1D81 Ford Fusion Energi
  • P1D81 Ford Fusion Hybrid
  • P1D81 Ford Fusion Plug-In Hybrid
  • P1D81 Ford GT
  • P1D81 Ford Mustang
  • P1D81 Ford Mustang Mach-E
  • P1D81 Ford Mystique
  • P1D81 Ford Probe
  • P1D81 Ford Ranger
  • P1D81 Ford Taurus
  • P1D81 Ford Taurus X
  • P1D81 Ford Tempo
  • P1D81 Ford Thunderbird
  • P1D81 Ford Transit
  • P1D81 Ford Transit Connect
  • P1D81 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.