Bulletin Update 03/02/2026
Kenworth technical service bulletin 01-090 for 2021-2025 Kenworth T680 and 2021-2025 Peterbilt 579.
- Bulletin number
- 01-090 (01-090)
- Component
- Unknown or other
- Summary
- Bulletin Update 03/02/2026 - A Meritor OnTrac case submission is required prior to repairs being completed. Failure to do so may result in warranty claim denial. See the procedure section for more details.
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