There have been 336 technical service bulletins issued for 52 Kenworth models. The Kenworth model with the most service bulletins issued is Kenworth T800 with 122 service bulletins.
| Bulletin Date: | Sep. 1, 2023 |
| Component: | Engine and engine cooling. |
| Bulletin Summary: | Certain t680 next gen cummins x15 have fan hub bracket hardware that is under torqued and could become loose and/or fail. Procedures are available to replace and properly torque the hardware. |
| Kenworth models covered in this TSB: |
2020 Kenworth T680,
2021 Kenworth T680,
2022 Kenworth T680,
2023 Kenworth T680.
|
| Bulletin Date: | Sep. 1, 2023 |
| Component: | Structure. |
| Bulletin Summary: | Replacement fuel bezels are available for t680 next gen fairings. New bezels have updated attachments to prevent the bezel from becoming loose. |
| Kenworth models covered in this TSB: |
2020 Kenworth T680,
2021 Kenworth T680,
2022 Kenworth T680,
2023 Kenworth T680.
|
| Bulletin Date: | Jun. 8, 2022 |
| Component: | Service brakes. |
| Bulletin Summary: | Due to a global chip shortage, certain chassis will be shipped without the bendix side object detection radar modules and a-pillar displays. Refer to sales bulletin te2680 for details. |
| Kenworth models covered in this TSB: |
2023 Kenworth T280,
2023 Kenworth T380,
2023 Kenworth T800.
|
| Bulletin Date: | Nov. 16, 2021 |
| Component: | Visibility. |
| Bulletin Summary: | Non-safety campaign - convex mirrors are available. Parts will be shipped to dealers. |
| Kenworth models covered in this TSB: |
2021 Kenworth T440,
2022 Kenworth T440,
2021 Kenworth T470,
2022 Kenworth T470,
2021 Kenworth T800,
2022 Kenworth T800,
2021 Kenworth W900,
2022 Kenworth W900.
|
| Bulletin Date: | Nov. 15, 2021 |
| Component: | Cooling system fan. |
| Bulletin Summary: | Non-safety campaign ÿ¿ÿ¢ÿ¿ÿ¿ÿ¿ÿ¿ vehicles with a cummins x15 engine and horton fan drive may set diagnostic trouble code (dtc) 6637 and/or 3838 due to fan speed that results in the fan remaining activated until the power is cycl |
| Kenworth models covered in this TSB: |
2018 Kenworth T680,
2019 Kenworth T680,
2020 Kenworth T680,
2016 Kenworth T880,
2018 Kenworth T880,
2019 Kenworth T880,
2020 Kenworth T880.
|