Freightliner Cascadia 2017–2024 — technical service bulletin
Bulletin SS3157-FTL · NHTSA communication 11010182 · issued Oct 29, 2024
Technical service bulletin
communication type
Engine
component
2017–2024
model years
8
vehicle entries
Official summary
Service Solution for Cascadia with Cummins Engines and eViscous Engine Fan with Communication Issues
Vehicles covered
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.