Freightliner 108SD 2020–2025 — technical service bulletin
Bulletin CXA 3_25_SAS01T to SAS03T · NHTSA communication 11016310 · issued Mar 20, 2025
Technical service bulletin
communication type
Steering
component
2020–2025
model years
47
vehicle entries
Official summary
CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
Vehicles covered
- 2020 Freightliner 108SD
- 2021 Freightliner 108SD
- 2022 Freightliner 108SD
- 2023 Freightliner 108SD
- 2024 Freightliner 108SD
- 2025 Freightliner 108SD
- 2020 Freightliner 114SD
- 2021 Freightliner 114SD
- 2022 Freightliner 114SD
- 2023 Freightliner 114SD
- 2024 Freightliner 114SD
- 2025 Freightliner 114SD
- 2020 Freightliner Business Class M2
- 2021 Freightliner Business Class M2
- 2022 Freightliner Business Class M2
- 2023 Freightliner Business Class M2
- 2024 Freightliner Business Class M2
- 2025 Freightliner Business Class M2
- 2020 Freightliner Cascadia
- 2021 Freightliner Cascadia
- 2022 Freightliner Cascadia
- 2023 Freightliner Cascadia
- 2024 Freightliner Cascadia
- 2025 Freightliner Cascadia
- 2023 Freightliner E-Cascadia
- 2024 Freightliner E-Cascadia
- 2025 Freightliner E-Cascadia
- 2022 Freightliner EM2
- 2024 Freightliner EM2
- 2025 Freightliner EM2
- 2020 Western Star 47X
- 2021 Western Star 47X
- 2022 Western Star 47X
- 2023 Western Star 47X
- 2024 Western Star 47X
- 2025 Western Star 47X
- 2020 Western Star 49X
- 2021 Western Star 49X
- 2022 Western Star 49X
- 2023 Western Star 49X
- 2024 Western Star 49X
- 2025 Western Star 49X
- 2021 Western Star 57X
- 2022 Western Star 57X
- 2023 Western Star 57X
- 2024 Western Star 57X
- 2025 Western Star 57X
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.