Freightliner 122SD 2015–2025 — technical service bulletin
Bulletin CXA 1_16_GATS2.4 · NHTSA communication 11013201 · issued Jan 16, 2025
Technical service bulletin
communication type
Engine
component
2015–2025
model years
43
vehicle entries
Official summary
CX Advocate for GATS2.4 being expanding to DD15
Vehicles covered
- 2024 Freightliner 122SD
- 2025 Freightliner 122SD
- 2015 Freightliner Cascadia
- 2016 Freightliner Cascadia
- 2017 Freightliner Cascadia
- 2018 Freightliner Cascadia
- 2019 Freightliner Cascadia
- 2020 Freightliner Cascadia
- 2021 Freightliner Cascadia
- 2022 Freightliner Cascadia
- 2023 Freightliner Cascadia
- 2024 Freightliner Cascadia
- 2025 Freightliner Cascadia
- 2015 Freightliner Coronado
- 2016 Freightliner Coronado
- 2017 Freightliner Coronado
- 2018 Freightliner Coronado
- 2019 Freightliner Coronado
- 2020 Freightliner Coronado
- 2021 Freightliner Coronado
- 2022 Freightliner Coronado
- 2023 Freightliner Coronado
- 2015 Western Star 4900
- 2016 Western Star 4900
- 2017 Western Star 4900
- 2018 Western Star 4900
- 2019 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
- 2015 Western Star 5700
- 2016 Western Star 5700
- 2017 Western Star 5700
- 2018 Western Star 5700
- 2019 Western Star 5700
- 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.