Freightliner Cascadia 2019–2020 — technical service bulletin
Bulletin CALFTL60-004 · NHTSA communication 10198776 · issued Jun 24, 2021
Technical service bulletin
communication type
Visibility
component
2019–2020
model years
2
vehicle entries
Official summary
Customer Advisory Letter for P4 cab mirror line of sight.
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.