B3942

B3942 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3942 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 B3942 Fault Code Meaning :

Ford B3942 Symptoms :

Ford B3942 Reasons :

How To Fix Ford B3942 Trouble Code ?

Which Ford cars have the code B3942?

  • B3942 Ford Aerostar
  • B3942 Ford Bronco
  • B3942 Ford C-Max
  • B3942 Ford C-Max Energi
  • B3942 Ford C-Max Hybrid
  • B3942 Ford Contour
  • B3942 Ford Crown Victoria
  • B3942 Ford EcoSport
  • B3942 Ford Econoline
  • B3942 Ford Edge
  • B3942 Ford Escape
  • B3942 Ford Escape Hybrid
  • B3942 Ford Escort
  • B3942 Ford Everest
  • B3942 Ford Excursion
  • B3942 Ford Expedition
  • B3942 Ford Explorer
  • B3942 Ford Explorer Sport Trac
  • B3942 Ford F-150
  • B3942 Ford F-250
  • B3942 Ford F-350
  • B3942 Ford Fiesta
  • B3942 Ford Flex
  • B3942 Ford Focus
  • B3942 Ford Focus Electric
  • B3942 Ford Freestar
  • B3942 Ford Freestyle
  • B3942 Ford Fusion
  • B3942 Ford Fusion Energi
  • B3942 Ford Fusion Hybrid
  • B3942 Ford Fusion Plug-In Hybrid
  • B3942 Ford GT
  • B3942 Ford Mustang
  • B3942 Ford Mustang Mach-E
  • B3942 Ford Mystique
  • B3942 Ford Probe
  • B3942 Ford Ranger
  • B3942 Ford Taurus
  • B3942 Ford Taurus X
  • B3942 Ford Tempo
  • B3942 Ford Thunderbird
  • B3942 Ford Transit
  • B3942 Ford Transit Connect
  • B3942 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.