U0128

U0128 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0128 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 U0128 Fault Code Meaning :

Ford U0128 Symptoms :

Ford U0128 Reasons :

How To Fix Ford U0128 Trouble Code ?

Which Ford cars have the code U0128?

  • U0128 Ford Aerostar
  • U0128 Ford Bronco
  • U0128 Ford C-Max
  • U0128 Ford C-Max Energi
  • U0128 Ford C-Max Hybrid
  • U0128 Ford Contour
  • U0128 Ford Crown Victoria
  • U0128 Ford EcoSport
  • U0128 Ford Econoline
  • U0128 Ford Edge
  • U0128 Ford Escape
  • U0128 Ford Escape Hybrid
  • U0128 Ford Escort
  • U0128 Ford Everest
  • U0128 Ford Excursion
  • U0128 Ford Expedition
  • U0128 Ford Explorer
  • U0128 Ford Explorer Sport Trac
  • U0128 Ford F-150
  • U0128 Ford F-250
  • U0128 Ford F-350
  • U0128 Ford Fiesta
  • U0128 Ford Flex
  • U0128 Ford Focus
  • U0128 Ford Focus Electric
  • U0128 Ford Freestar
  • U0128 Ford Freestyle
  • U0128 Ford Fusion
  • U0128 Ford Fusion Energi
  • U0128 Ford Fusion Hybrid
  • U0128 Ford Fusion Plug-In Hybrid
  • U0128 Ford GT
  • U0128 Ford Mustang
  • U0128 Ford Mustang Mach-E
  • U0128 Ford Mystique
  • U0128 Ford Probe
  • U0128 Ford Ranger
  • U0128 Ford Taurus
  • U0128 Ford Taurus X
  • U0128 Ford Tempo
  • U0128 Ford Thunderbird
  • U0128 Ford Transit
  • U0128 Ford Transit Connect
  • U0128 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.