Service bulletins for the 2022 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.
92 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Software are shown. Show all
| 32-021 | 2022-05-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. Model Year 2022 chassis with Cummins X15 engines may have inoperative auto-start systems due to a Cummins software update. Refer to Cummins bulletin TSB210135. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.