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: Instrument cluster are shown. Show all
| 54302 | 2023-05-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ABS Light illuminating in the ICU. |
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| 8V491 | 2023-05-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ICUC Bulb check function. |
| TechTalk7709 | 2020-10-01. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING. Tech talk discussion on inaccurate reading DEF gauge. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.