# Service bulletins for the 2025 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.

32 bulletins from NHTSA, as of 2026-10-19.

- [42\-070](/bulletins/11038569.md), 2026-10-17, Service bulletin: UNKNOWN OR OTHER. Due to supplier constraints, an authorized aftermarket surge tank has been made available.
- [P001](/bulletins/11037541.md), 2026-09-29, Service bulletin: ENGINE. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
- [24KWC/24PBC](/bulletins/11036296.md), 2026-08-20, Service bulletin: STEERING. Updated Sheppard Steering Gear Classification Tool link in Inspection Procedure
- [24KWL/PBL](/bulletins/11036291.md), 2026-08-20, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS. The verbiage in the Introduction section has been updated.
- [14\-037](/bulletins/11036288.md), 2026-08-20, Service campaign: UNKNOWN OR OTHER. An improved transmission bracket is now available for replacement on certain chassis equipped with a PACCAR TX\-12 transmission, featuring a more durable design for enhanced long\-term performance.
- [T024](/bulletins/11033925.md), 2026-06-17, Service bulletin: POWER TRAIN. "KW \& PB: New software is available for download. The DAVIE4 cache must be cleared before attempting to reprogram a chassis that is experiencing problems to ensure the latest version of software is installed. Follow all steps in the attached procedures before submitting a TCS case."
- [T\-024](/bulletins/11033923.md), 2026-06-17, Service bulletin: POWER TRAIN. The repair procedure has been updated to include diagnostic steps.
- [43\-080](/bulletins/11033918.md), 2026-06-17, Service bulletin: ELECTRICAL SYSTEM. "KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The repair procedure has been updated with additional note boxes for clear instructions. PB: The repair procedure has been updated with additional note boxes for clear instructions."
- [T024](/bulletins/11033379.md), 2026-06-03, Service bulletin: POWER TRAIN. KW: A Transmission Control Module \(TCM\) software update is now available for certain T280, T380, T480, T680, T880, and W990 chassis with PACCAR TX\-12 and TX\-18 transmissions, TCM software version R5.5 or later and an AT5 controller, where the TASPS fails. PB: A Transmission Control Module \(TCM\) software update is now available for certain Model 537, 548, 567, 579, and 589 chassis with PACCAR TX\-12 and TX\-18 transmissions, TCM software version R5.5 or later and an AT5 controller, where the TASPS fails.
- [02\-177](/bulletins/11033351.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM. Troubleshooting procedures for 2.1m cab power windows are now available.
- [14\-034](/bulletins/11032290.md), 2026-05-06, Service bulletin: UNKNOWN OR OTHER. Bogie Crossmember Torque Value Update \- Procedure has been updated to correct torque values.
- [24KWF/PBF](/bulletins/11030937.md), 2026-04-07, Service bulletin: STEERING. Sheppard Recall Update March 2026 \- The Parts section has been updated with revised steps for opening a TCS365 Order Support – Order Inquiry case.
- [24KWC/PBC](/bulletins/11030936.md), 2026-04-07, Service bulletin: STEERING. Sheppard Recall Update March 2026 \- The Parts section has been updated with revised steps for opening a TCS365 Order Support – Order Inquiry case.
- [45\-069](/bulletins/11029787.md), 2026-03-05, Service bulletin: ENGINE. Cummins TSB 210203 has been updated to remove the PACCAR suction side fuel filter part number from Table 1 as the filter is no longer compatible.
- [24PBE\_KWE](/bulletins/11029738.md), 2026-03-05, Service bulletin: ELECTRICAL SYSTEM. The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.
- [24KWE / 24PBE](/bulletins/11028318.md), 2026-02-05, 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.
- [24PBE\_24KWE](/bulletins/11028308.md), 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.
- [25PACF](/bulletins/11027067.md), 2026-01-06, Service bulletin: EXTERIOR LIGHTING. Parts and procedures are now available for all affected chassis equipped with Vehicle Electronic Control Unit \(VECU\) part number Q21\-1157\-013\-011 / Q21\-1157\-013\-013 / Q21\-1157\-002\-002 / Q21\-1157\-004\-004 / Q21\-1157\-006\-006 / Q21\-1157\-009\-009. See attached Parts Matrix for required parts per chassis.
- [24KWE/24PBE](/bulletins/11027065.md), 2026-01-06, Emissions: SERVICE BRAKES. The parts section has been updated for clarity. 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.
- [24PBE/KWE](/bulletins/11027063.md), 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.
- [43\-076](/bulletins/11027058.md), 2026-01-06, Service bulletin: FUEL/PROPULSION SYSTEM. Certain vehicle model years 2020\-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis have updated Greenhouse Gas \(GHG\) labels available for installation.
- [25KWB/25PBB](/bulletins/11027057.md), 2026-01-06, 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.
- [24KWE](/bulletins/11026414.md), 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.
- [25PACF](/bulletins/11022490.md), 2025-09-03, Service campaign: EXTERIOR LIGHTING. Procedures are now available for Phase 1 chassis equipped with Internal Combustion Engines \(ICE\) and Vehicle Electronic Control Unit \(VECU\) part number Q21\-1157\-013\-011 / Q21\-1157\-013\-013. Parts and procedures for Phase 2 chassis will be available at a later date. This bulletin will be updated at that time. Please refer to the condition section for more details. Certain Ethernet Multiplexed Architecture \(EMUX\) chassis fail to conform to Federal and Canada Motor Vehicle Safety Standards \(FMVSS/CMVSS\) No. 108. Delayed or unsteady illumination of the vehicle’s stop lamps, reverse lamps, turn signal lamps and inadvertent change in headlamp illumination or lift axle position may"
- [25KWB](/bulletins/11016469.md), 2025-04-04, 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.

More: [the next page](/v1/vehicles/2025_kenworth_t280/bulletins?cursor=2025-04-04_11016469) (JSON)

JSON: [/v1/vehicles/2025_kenworth_t280/bulletins](/v1/vehicles/2025_kenworth_t280/bulletins)

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