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: Adaptive cruise control are shown. Show all
| TEM-11-00001 | 2026-08-03. Other. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: WARNINGS. Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment |
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| TechTalk7708 | 2020-11-03. Service bulletin. LANE DEPARTURE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Tech Talk discussion on Detroit Assurance shutting down. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.