Freightliner Cascadia 2020–2025 — technical service bulletin
Bulletin FleetCom_SS 3174-FTL · NHTSA communication 11026469 · issued Nov 20, 2025
Technical service bulletin
communication type
Electrical System
component
2020–2025
model years
6
vehicle entries
Official summary
Fleet Communication for SS 3174-FTL
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.