Freightliner Business Class M2 2020–2022 — technical service bulletin
Bulletin SF669 · NHTSA communication 10248135 · issued Dec 19, 2023
Technical service bulletin
communication type
Vehicle Speed Control
component
2020–2022
model years
12
vehicle entries
Official summary
Field Service Campaign for Adaptive Cruise Control
Vehicles covered
- 2020 Freightliner Business Class M2
- 2021 Freightliner Business Class M2
- 2022 Freightliner Business Class M2
- 2020 Freightliner Cascadia
- 2021 Freightliner Cascadia
- 2022 Freightliner Cascadia
- 2020 Western Star 47X
- 2021 Western Star 47X
- 2022 Western Star 47X
- 2020 Western Star 49X
- 2021 Western Star 49X
- 2022 Western Star 49X
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.