P401D

P401D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P401D 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P401D Fault Code Meaning :

Ford P401D Symptoms :

Ford P401D Reasons :

How To Fix Ford P401D Trouble Code ?

Which Ford cars have the code P401D?

  • P401D Ford Aerostar
  • P401D Ford Bronco
  • P401D Ford C-Max
  • P401D Ford C-Max Energi
  • P401D Ford C-Max Hybrid
  • P401D Ford Contour
  • P401D Ford Crown Victoria
  • P401D Ford EcoSport
  • P401D Ford Econoline
  • P401D Ford Edge
  • P401D Ford Escape
  • P401D Ford Escape Hybrid
  • P401D Ford Escort
  • P401D Ford Everest
  • P401D Ford Excursion
  • P401D Ford Expedition
  • P401D Ford Explorer
  • P401D Ford Explorer Sport Trac
  • P401D Ford F-150
  • P401D Ford F-250
  • P401D Ford F-350
  • P401D Ford Fiesta
  • P401D Ford Flex
  • P401D Ford Focus
  • P401D Ford Focus Electric
  • P401D Ford Freestar
  • P401D Ford Freestyle
  • P401D Ford Fusion
  • P401D Ford Fusion Energi
  • P401D Ford Fusion Hybrid
  • P401D Ford Fusion Plug-In Hybrid
  • P401D Ford GT
  • P401D Ford Mustang
  • P401D Ford Mustang Mach-E
  • P401D Ford Mystique
  • P401D Ford Probe
  • P401D Ford Ranger
  • P401D Ford Taurus
  • P401D Ford Taurus X
  • P401D Ford Tempo
  • P401D Ford Thunderbird
  • P401D Ford Transit
  • P401D Ford Transit Connect
  • P401D 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.