Service bulletins for the 2021 Kenworth T880
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.
66 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Software are shown. Show all
| 26-037 | 2021-01-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.