Freightliner 122SD 2020–2025 — technical service bulletin
Bulletin TSB01-001-DDC · NHTSA communication 11014775 · issued Feb 5, 2025
Technical service bulletin
communication type
Engine
component
2020–2025
model years
24
vehicle entries
Official summary
Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
Vehicles covered
- 2020 Freightliner 122SD
- 2021 Freightliner 122SD
- 2022 Freightliner 122SD
- 2023 Freightliner 122SD
- 2024 Freightliner 122SD
- 2025 Freightliner 122SD
- 2020 Freightliner Cascadia
- 2021 Freightliner Cascadia
- 2022 Freightliner Cascadia
- 2023 Freightliner Cascadia
- 2024 Freightliner Cascadia
- 2025 Freightliner Cascadia
- 2020 Western Star 4900
- 2021 Western Star 49X
- 2022 Western Star 49X
- 2023 Western Star 49X
- 2024 Western Star 49X
- 2025 Western Star 49X
- 2020 Western Star 5700
- 2021 Western Star 5700
- 2022 Western Star 5700
- 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.