P3689

P3689 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3689 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 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 P3689 Fault Code Meaning :

Ford P3689 Symptoms :

Ford P3689 Reasons :

How To Fix Ford P3689 Trouble Code ?

Which Ford cars have the code P3689?

  • P3689 Ford Aerostar
  • P3689 Ford Bronco
  • P3689 Ford C-Max
  • P3689 Ford C-Max Energi
  • P3689 Ford C-Max Hybrid
  • P3689 Ford Contour
  • P3689 Ford Crown Victoria
  • P3689 Ford EcoSport
  • P3689 Ford Econoline
  • P3689 Ford Edge
  • P3689 Ford Escape
  • P3689 Ford Escape Hybrid
  • P3689 Ford Escort
  • P3689 Ford Everest
  • P3689 Ford Excursion
  • P3689 Ford Expedition
  • P3689 Ford Explorer
  • P3689 Ford Explorer Sport Trac
  • P3689 Ford F-150
  • P3689 Ford F-250
  • P3689 Ford F-350
  • P3689 Ford Fiesta
  • P3689 Ford Flex
  • P3689 Ford Focus
  • P3689 Ford Focus Electric
  • P3689 Ford Freestar
  • P3689 Ford Freestyle
  • P3689 Ford Fusion
  • P3689 Ford Fusion Energi
  • P3689 Ford Fusion Hybrid
  • P3689 Ford Fusion Plug-In Hybrid
  • P3689 Ford GT
  • P3689 Ford Mustang
  • P3689 Ford Mustang Mach-E
  • P3689 Ford Mystique
  • P3689 Ford Probe
  • P3689 Ford Ranger
  • P3689 Ford Taurus
  • P3689 Ford Taurus X
  • P3689 Ford Tempo
  • P3689 Ford Thunderbird
  • P3689 Ford Transit
  • P3689 Ford Transit Connect
  • P3689 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.