C1940

C1940 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1940 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford C1940 Fault Code Meaning :

Ford C1940 Symptoms :

Ford C1940 Reasons :

How To Fix Ford C1940 Trouble Code ?

Which Ford cars have the code C1940?

  • C1940 Ford Aerostar
  • C1940 Ford Bronco
  • C1940 Ford C-Max
  • C1940 Ford C-Max Energi
  • C1940 Ford C-Max Hybrid
  • C1940 Ford Contour
  • C1940 Ford Crown Victoria
  • C1940 Ford EcoSport
  • C1940 Ford Econoline
  • C1940 Ford Edge
  • C1940 Ford Escape
  • C1940 Ford Escape Hybrid
  • C1940 Ford Escort
  • C1940 Ford Everest
  • C1940 Ford Excursion
  • C1940 Ford Expedition
  • C1940 Ford Explorer
  • C1940 Ford Explorer Sport Trac
  • C1940 Ford F-150
  • C1940 Ford F-250
  • C1940 Ford F-350
  • C1940 Ford Fiesta
  • C1940 Ford Flex
  • C1940 Ford Focus
  • C1940 Ford Focus Electric
  • C1940 Ford Freestar
  • C1940 Ford Freestyle
  • C1940 Ford Fusion
  • C1940 Ford Fusion Energi
  • C1940 Ford Fusion Hybrid
  • C1940 Ford Fusion Plug-In Hybrid
  • C1940 Ford GT
  • C1940 Ford Mustang
  • C1940 Ford Mustang Mach-E
  • C1940 Ford Mystique
  • C1940 Ford Probe
  • C1940 Ford Ranger
  • C1940 Ford Taurus
  • C1940 Ford Taurus X
  • C1940 Ford Tempo
  • C1940 Ford Thunderbird
  • C1940 Ford Transit
  • C1940 Ford Transit Connect
  • C1940 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.