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.
By type
By component
Only bulletins with component: Wiring and fuses are shown. Show all
| TechTalk7541 | 2020-11-02. Service bulletin. SEATS; ELECTRICAL SYSTEM:WIRING. Tech Talk discussion on fault 523013/31 seat occupation not ok. |
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| CALHIGHCURRENT | 2020-03-03. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. Customer Advisory Letter that an inspection to determine if the high current breaker has been bypassed. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.