Service bulletins for the 2010 Kenworth T300
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.
26 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| 32-015 | 2020-07-03. Service bulletin. ELECTRICAL SYSTEM. Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information. |
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| 34-085 | 2020-04-03. Service bulletin. VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles. |
| TT7252EN | 2019-04-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Tech Tip concerning Transmission Control Module (TCM) Recalibration for Kenworth and Peterbilt |
| TIB-E-010 | 2011-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. PACCAR PX-6 AND PX- 8 ENGINE SOFTWARE AND AFTERTREATMENT UPDATES. THE IDENTIFIED CHASSIS REQUIRE A PRODUCT IMPROVEMENT INVOLVING RECALIBRATION OF THE ENGINE CONTROL MODULE (ECM) AND THE AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) CONTROLLER. SOME VEHICLES REPAIRS MAY ALSO INCLUDE REPLACING VARIOUS AFTERTREATMENT SYSTEM COMPONENTS. CSC LETTER HAS BEEN RECEIVED. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.