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Service bulletins for the 2026 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.

17 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
02-1772026-06-03. Service bulletin. ELECTRICAL SYSTEM. Troubleshooting procedures for 2.1m cab power windows are now available.
24KWE / 24PBE2026-02-05. Service bulletin. 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.
25KWB/25PBB2026-01-06. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. A new Recommended Repair has been added. It must be used if safety recall 25PACF is performed prior to or at the same time as this repair since the 25PACF remedy also satisfies this safety recall.
25KWB2025-04-04. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Safety Recall Updated software and repair procedures are now available. The Exterior Lighting Switch (ELS) in certain T180/T280/T380/T480 chassis may not function and can be reset only by a key cycle. This issue may result in non-compliance with FMVSS/CMVSS 101 and 108. Affected chassis must have the Vehicle Software updated.
T020 - KW2025-04-04. Service bulletin. ELECTRICAL SYSTEM. T180/T280/T380/T480 PACCAR TX-8 Transmission Software Update for Wheel Speed Sensor Fix-As-Fail Certain T180 / T280 / T380 / T480 chassis equipped with a PACCAR TX-8 transmission received transmission software with an incorrect software variable. This software issue may cause Wheel Speed Sensor DTC 521215-2 to set, the Transmission Dash Light to Illuminate, and restricted shifting . A software update is now available to fix the issue.
25KWB2025-03-04. Other. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. "Safety Recall – Interim Notification The Exterior Lighting Switch (ELS) in certain T180/T280/T380/T480 chassis may not function and can be reset only by a key cycle. This issue may result in non-compliance with FMVSS/CMVSS 101 and 108. This bulletin will be updated when software and programming procedures are available."

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.