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October 29, 2021 Service bulletin

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
Power train: automatic transmission: control module: software
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; Owner Letter sent

Owners of these vehicles have filed 3,396 complaints in the transmission category.

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