Freightliner Cascadia 2016–2020 — technical service bulletin
Bulletin sb60164 · NHTSA communication 10162267 · issued May 13, 2019
Technical service bulletin
communication type
Exterior Lighting
component
2016–2020
model years
5
vehicle entries
Official summary
Service Bulletin- Marker Light Leaks, New Cascadia
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.