P1940

P1940 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1940 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.The wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

The suspension dump output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension dump air solenoid fault, and for air pressure switch short circuit fault.

Ford P1940 Fault Code Meaning :

Ford P1940 Symptoms :

Ford P1940 Reasons :

How To Fix Ford P1940 Trouble Code ?

Which Ford cars have the code P1940?

  • P1940 Ford Aerostar
  • P1940 Ford Bronco
  • P1940 Ford C-Max
  • P1940 Ford C-Max Energi
  • P1940 Ford C-Max Hybrid
  • P1940 Ford Contour
  • P1940 Ford Crown Victoria
  • P1940 Ford EcoSport
  • P1940 Ford Econoline
  • P1940 Ford Edge
  • P1940 Ford Escape
  • P1940 Ford Escape Hybrid
  • P1940 Ford Escort
  • P1940 Ford Everest
  • P1940 Ford Excursion
  • P1940 Ford Expedition
  • P1940 Ford Explorer
  • P1940 Ford Explorer Sport Trac
  • P1940 Ford F-150
  • P1940 Ford F-250
  • P1940 Ford F-350
  • P1940 Ford Fiesta
  • P1940 Ford Flex
  • P1940 Ford Focus
  • P1940 Ford Focus Electric
  • P1940 Ford Freestar
  • P1940 Ford Freestyle
  • P1940 Ford Fusion
  • P1940 Ford Fusion Energi
  • P1940 Ford Fusion Hybrid
  • P1940 Ford Fusion Plug-In Hybrid
  • P1940 Ford GT
  • P1940 Ford Mustang
  • P1940 Ford Mustang Mach-E
  • P1940 Ford Mystique
  • P1940 Ford Probe
  • P1940 Ford Ranger
  • P1940 Ford Taurus
  • P1940 Ford Taurus X
  • P1940 Ford Tempo
  • P1940 Ford Thunderbird
  • P1940 Ford Transit
  • P1940 Ford Transit Connect
  • P1940 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.