P3129

P3129 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3129 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P3129 Fault Code Meaning :

Ford P3129 Symptoms :

Ford P3129 Reasons :

How To Fix Ford P3129 Trouble Code ?

Which Ford cars have the code P3129?

  • P3129 Ford Aerostar
  • P3129 Ford Bronco
  • P3129 Ford C-Max
  • P3129 Ford C-Max Energi
  • P3129 Ford C-Max Hybrid
  • P3129 Ford Contour
  • P3129 Ford Crown Victoria
  • P3129 Ford EcoSport
  • P3129 Ford Econoline
  • P3129 Ford Edge
  • P3129 Ford Escape
  • P3129 Ford Escape Hybrid
  • P3129 Ford Escort
  • P3129 Ford Everest
  • P3129 Ford Excursion
  • P3129 Ford Expedition
  • P3129 Ford Explorer
  • P3129 Ford Explorer Sport Trac
  • P3129 Ford F-150
  • P3129 Ford F-250
  • P3129 Ford F-350
  • P3129 Ford Fiesta
  • P3129 Ford Flex
  • P3129 Ford Focus
  • P3129 Ford Focus Electric
  • P3129 Ford Freestar
  • P3129 Ford Freestyle
  • P3129 Ford Fusion
  • P3129 Ford Fusion Energi
  • P3129 Ford Fusion Hybrid
  • P3129 Ford Fusion Plug-In Hybrid
  • P3129 Ford GT
  • P3129 Ford Mustang
  • P3129 Ford Mustang Mach-E
  • P3129 Ford Mystique
  • P3129 Ford Probe
  • P3129 Ford Ranger
  • P3129 Ford Taurus
  • P3129 Ford Taurus X
  • P3129 Ford Tempo
  • P3129 Ford Thunderbird
  • P3129 Ford Transit
  • P3129 Ford Transit Connect
  • P3129 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.