Service bulletins for the 2021 Freightliner Cascadia
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
509 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Driver assistance are shown. Show all
| SB54-325 | 2020-04-17. Service bulletin. LANE DEPARTURE. Service Bulletin for New Cascadia ICUC Active Lane Assist (ALA) Dash Menu Discrepancy. New Cascadia vehicles equipped with Detroit Assurance 5.0 that are not equipped with Active Lane Assist (ALA) may incorrectly display ALA availability in the ICUC quick access menu. The following procedure will provide a parameter update to correct the ICUC menu display. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.