P1D40

P1D40 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1D40 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 is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P1D40 Fault Code Meaning :

Ford P1D40 Symptoms :

Ford P1D40 Reasons :

How To Fix Ford P1D40 Trouble Code ?

Which Ford cars have the code P1D40?

  • P1D40 Ford Aerostar
  • P1D40 Ford Bronco
  • P1D40 Ford C-Max
  • P1D40 Ford C-Max Energi
  • P1D40 Ford C-Max Hybrid
  • P1D40 Ford Contour
  • P1D40 Ford Crown Victoria
  • P1D40 Ford EcoSport
  • P1D40 Ford Econoline
  • P1D40 Ford Edge
  • P1D40 Ford Escape
  • P1D40 Ford Escape Hybrid
  • P1D40 Ford Escort
  • P1D40 Ford Everest
  • P1D40 Ford Excursion
  • P1D40 Ford Expedition
  • P1D40 Ford Explorer
  • P1D40 Ford Explorer Sport Trac
  • P1D40 Ford F-150
  • P1D40 Ford F-250
  • P1D40 Ford F-350
  • P1D40 Ford Fiesta
  • P1D40 Ford Flex
  • P1D40 Ford Focus
  • P1D40 Ford Focus Electric
  • P1D40 Ford Freestar
  • P1D40 Ford Freestyle
  • P1D40 Ford Fusion
  • P1D40 Ford Fusion Energi
  • P1D40 Ford Fusion Hybrid
  • P1D40 Ford Fusion Plug-In Hybrid
  • P1D40 Ford GT
  • P1D40 Ford Mustang
  • P1D40 Ford Mustang Mach-E
  • P1D40 Ford Mystique
  • P1D40 Ford Probe
  • P1D40 Ford Ranger
  • P1D40 Ford Taurus
  • P1D40 Ford Taurus X
  • P1D40 Ford Tempo
  • P1D40 Ford Thunderbird
  • P1D40 Ford Transit
  • P1D40 Ford Transit Connect
  • P1D40 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.