Freightliner Cascadia 2019–2025 — technical service bulletin
Bulletin TSB54-366-FTL · NHTSA communication 11012310 · issued Dec 23, 2024
Technical service bulletin
communication type
Power Train
component
2019–2025
model years
7
vehicle entries
Official summary
Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and Bendix Side Radar
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.