U1139

U1139 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1139 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford U1139 Fault Code Meaning :

Ford U1139 Symptoms :

Ford U1139 Reasons :

How To Fix Ford U1139 Trouble Code ?

Which Ford cars have the code U1139?

  • U1139 Ford Aerostar
  • U1139 Ford Bronco
  • U1139 Ford C-Max
  • U1139 Ford C-Max Energi
  • U1139 Ford C-Max Hybrid
  • U1139 Ford Contour
  • U1139 Ford Crown Victoria
  • U1139 Ford EcoSport
  • U1139 Ford Econoline
  • U1139 Ford Edge
  • U1139 Ford Escape
  • U1139 Ford Escape Hybrid
  • U1139 Ford Escort
  • U1139 Ford Everest
  • U1139 Ford Excursion
  • U1139 Ford Expedition
  • U1139 Ford Explorer
  • U1139 Ford Explorer Sport Trac
  • U1139 Ford F-150
  • U1139 Ford F-250
  • U1139 Ford F-350
  • U1139 Ford Fiesta
  • U1139 Ford Flex
  • U1139 Ford Focus
  • U1139 Ford Focus Electric
  • U1139 Ford Freestar
  • U1139 Ford Freestyle
  • U1139 Ford Fusion
  • U1139 Ford Fusion Energi
  • U1139 Ford Fusion Hybrid
  • U1139 Ford Fusion Plug-In Hybrid
  • U1139 Ford GT
  • U1139 Ford Mustang
  • U1139 Ford Mustang Mach-E
  • U1139 Ford Mystique
  • U1139 Ford Probe
  • U1139 Ford Ranger
  • U1139 Ford Taurus
  • U1139 Ford Taurus X
  • U1139 Ford Tempo
  • U1139 Ford Thunderbird
  • U1139 Ford Transit
  • U1139 Ford Transit Connect
  • U1139 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.