B1940

B1940 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1940 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 B1940 Fault Code Meaning :

Ford B1940 Symptoms :

Ford B1940 Reasons :

How To Fix Ford B1940 Trouble Code ?

Which Ford cars have the code B1940?

  • B1940 Ford Aerostar
  • B1940 Ford Bronco
  • B1940 Ford C-Max
  • B1940 Ford C-Max Energi
  • B1940 Ford C-Max Hybrid
  • B1940 Ford Contour
  • B1940 Ford Crown Victoria
  • B1940 Ford EcoSport
  • B1940 Ford Econoline
  • B1940 Ford Edge
  • B1940 Ford Escape
  • B1940 Ford Escape Hybrid
  • B1940 Ford Escort
  • B1940 Ford Everest
  • B1940 Ford Excursion
  • B1940 Ford Expedition
  • B1940 Ford Explorer
  • B1940 Ford Explorer Sport Trac
  • B1940 Ford F-150
  • B1940 Ford F-250
  • B1940 Ford F-350
  • B1940 Ford Fiesta
  • B1940 Ford Flex
  • B1940 Ford Focus
  • B1940 Ford Focus Electric
  • B1940 Ford Freestar
  • B1940 Ford Freestyle
  • B1940 Ford Fusion
  • B1940 Ford Fusion Energi
  • B1940 Ford Fusion Hybrid
  • B1940 Ford Fusion Plug-In Hybrid
  • B1940 Ford GT
  • B1940 Ford Mustang
  • B1940 Ford Mustang Mach-E
  • B1940 Ford Mystique
  • B1940 Ford Probe
  • B1940 Ford Ranger
  • B1940 Ford Taurus
  • B1940 Ford Taurus X
  • B1940 Ford Tempo
  • B1940 Ford Thunderbird
  • B1940 Ford Transit
  • B1940 Ford Transit Connect
  • B1940 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.