Service bulletins for the 2024 Kenworth T280
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.
34 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Transmission and driveline are shown. Show all
| T017 | 2026-10-01. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN. Information has been added to identify that ECAT incorrectly identifies PS386 as the correct transmission oil for TX-8 transmission on certain vehicles.[ |
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| 24PBE_24KWE | 2026-02-05. Warranty extension. POWER TRAIN; ELECTRICAL SYSTEM. 24PBE_24KWE RH Shift Stalk Update Warranty section has been updated with revised verbiage for picture requirements. |
| 24PBE/KWE | 2026-01-06. Warranty extension. POWER TRAIN; ELECTRICAL SYSTEM. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle. |
| 24KWE | 2025-12-05. Service campaign. ELECTRICAL SYSTEM; POWER TRAIN. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle. |
| 98-026 | 2024-06-04. Service bulletin. POWER TRAIN. New tools are required to support PACCAR TX-8 / ZF transmissions. Part numbers E0l-1012 (Adapter, Jack TX-8), E0l-1014 (Front Seal Installer), and E0l-1015 (Rear Seal Installer) are currently available to order |
| 24KWE | 2024-04-03. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Safety Recall – INTERIM NOTIFICATION Parts are not currently available for this safety recall. This bulletin will be updated once repair parts are available. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the transmission may result in the vehicle becoming disabled after it comes to a stop thereby increasing the risk of crash or injury. A transmission fault will appear on the dash display if communication is lost. |
| 23KWE | 2023-09-01. Service bulletin. POWER TRAIN. Safety Recall: Parts and repair procedures are now available. Kenworth has determined that a safety defect exists in certain Model Year 2023-2024 T280, T380, and T480 chassis with TX-8 transmissions and flange mounted yokes. A locking feature may not be installed on fastener threads. This may allow the driveline fasteners to become loose, increasing the risk of a crash or injury. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.