Freightliner 108SD 2020–2025 — technical service bulletin
Bulletin SS3144-FTL · NHTSA communication 10253879 · issued Apr 25, 2024
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2025
model years
57
vehicle entries
Official summary
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
Vehicles covered
- 2020 Freightliner 108SD
- 2021 Freightliner 108SD
- 2022 Freightliner 108SD
- 2023 Freightliner 108SD
- 2024 Freightliner 108SD
- 2020 Freightliner 114SD
- 2021 Freightliner 114SD
- 2022 Freightliner 114SD
- 2023 Freightliner 114SD
- 2024 Freightliner 114SD
- 2020 Freightliner 122SD
- 2021 Freightliner 122SD
- 2022 Freightliner 122SD
- 2023 Freightliner 122SD
- 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
- 2020 Freightliner Cascadia
- 2021 Freightliner Cascadia
- 2022 Freightliner Cascadia
- 2023 Freightliner Cascadia
- 2024 Freightliner Cascadia
- 2025 Freightliner Cascadia
- 2020 Western Star 4700
- 2021 Western Star 4700
- 2022 Western Star 4700
- 2023 Western Star 4700
- 2024 Western Star 4700
- 2020 Western Star 47X
- 2021 Western Star 47X
- 2022 Western Star 47X
- 2023 Western Star 47X
- 2024 Western Star 47X
- 2020 Western Star 4900
- 2021 Western Star 4900
- 2022 Western Star 4900
- 2023 Western Star 4900
- 2024 Western Star 4900
- 2020 Western Star 49X
- 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
- 2021 Western Star 57X
- 2022 Western Star 57X
- 2023 Western Star 57X
- 2024 Western Star 57X
- 2020 Western Star 6900
- 2021 Western Star 6900
- 2022 Western Star 6900
- 2023 Western Star 6900
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.