Freightliner Cascadia 2020–2026 — technical service bulletin
Bulletin TSB-26-052-FTL · NHTSA communication 11028062 · issued Jan 6, 2026
Technical service bulletin
communication type
Power Train
component
2020–2026
model years
7
vehicle entries
Official summary
Technical Service Bulletin for DT12 PTO Upfit
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.