Freightliner Cascadia 2020–2026 — technical service bulletin
Bulletin PB47-022-FTL · NHTSA communication 11023657 · issued Sep 5, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2020–2026
model years
7
vehicle entries
Official summary
Revised Parts Bulletin for Cascadia 23-inch Diameter Fuel Tanks
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.