B1939

B1939 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1939 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.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 OFF.

The top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford B1939 Fault Code Meaning :

Ford B1939 Symptoms :

Ford B1939 Reasons :

How To Fix Ford B1939 Trouble Code ?

Which Ford cars have the code B1939?

  • B1939 Ford Aerostar
  • B1939 Ford Bronco
  • B1939 Ford C-Max
  • B1939 Ford C-Max Energi
  • B1939 Ford C-Max Hybrid
  • B1939 Ford Contour
  • B1939 Ford Crown Victoria
  • B1939 Ford EcoSport
  • B1939 Ford Econoline
  • B1939 Ford Edge
  • B1939 Ford Escape
  • B1939 Ford Escape Hybrid
  • B1939 Ford Escort
  • B1939 Ford Everest
  • B1939 Ford Excursion
  • B1939 Ford Expedition
  • B1939 Ford Explorer
  • B1939 Ford Explorer Sport Trac
  • B1939 Ford F-150
  • B1939 Ford F-250
  • B1939 Ford F-350
  • B1939 Ford Fiesta
  • B1939 Ford Flex
  • B1939 Ford Focus
  • B1939 Ford Focus Electric
  • B1939 Ford Freestar
  • B1939 Ford Freestyle
  • B1939 Ford Fusion
  • B1939 Ford Fusion Energi
  • B1939 Ford Fusion Hybrid
  • B1939 Ford Fusion Plug-In Hybrid
  • B1939 Ford GT
  • B1939 Ford Mustang
  • B1939 Ford Mustang Mach-E
  • B1939 Ford Mystique
  • B1939 Ford Probe
  • B1939 Ford Ranger
  • B1939 Ford Taurus
  • B1939 Ford Taurus X
  • B1939 Ford Tempo
  • B1939 Ford Thunderbird
  • B1939 Ford Transit
  • B1939 Ford Transit Connect
  • B1939 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.