Certain 2017-2020 Model Year F-150, 2018-2020 Expedition, and 2018-2020 Navigator Vehicles Equipped with a...
Ford technical service bulletin 21N08 for 2017-2020 Ford F-150, 2018-2020 Ford Expedition and 2018-2020 Lincoln Navigator.
- Bulletin number
- 21N08
- Component
- Electrical system
- Summary
- Certain 2017-2020 Model Year F-150, 2018-2020 Expedition, and 2018-2020 Navigator Vehicles Equipped with a 3.5L GTDI Engine PCM Reprogram Due to Engine Shudder ;In a very low percentage of the affected vehicles, an engine shudder may develop after receiving the PCM update provided in program 21B10. For peace of mind, Ford is providing a no-cost, one-time repair for customers who receive the PCM update under program 21B10 to revert the PCM calibration back to its original state before program 21B10.
Owners of these vehicles have filed 609 complaints in the electrical category.
Vehicles covered
- Ford F-150 2017-2020 2017201820192020
- Ford Expedition 2018-2020 201820192020
- Lincoln Navigator 2018-2020 201820192020
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