Service bulletins for the 2021 Kenworth T680
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.
83 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Instrument cluster are shown. Show all
| 36-008 | 2023-10-03. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Certain T680 Next Gen pre-production chassis are eligible to receive production-level software, dash switches, and driver information displays. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.