Western Star filed it with NHTSA. The number finds it.
Manufacturer communications
Western Star service bulletins and campaigns
34 Western Star communications on file with a page here: 25 service campaigns, 5 emissions, 4 warranty extensions. Every bulletin a Western Star model-year page lists, plus every service campaign, warranty extension, over-the-air update and emissions notice Western Star filed since 2016, whether or not the vehicle has a page.
Western Star’s warranty extensions and special-coverage programs are also in their own list and one list with every other make’s, with the term each runs to.
Your Western Star
Every bulletin for your Western Star
Pick the model and year and its page opens at the bulletin list: every campaign, warranty extension and over-the-air update Western Star filed with NHTSA for it, and the repair bulletins that go with them.
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Look it up by VIN
Decoded by NHTSA in your browser, then its bulletin list opens.
Holding a letter? Type its number on the bulletins page.
The newest letters Western Star owners get
Source: service campaigns, warranty extensions, over-the-air updatesService campaign SF735 Western Star · Vehicle Speed Control 2026 47X Dated Sep 3, 2026Warranty extension TITANX EXTENSION Western Star · Engine 2025 47X, 2026 47X, 2025 49X +3 Dated Feb 4, 2026Emissions F1015 Western Star · Engine 2025 47X, 2026 47X, 2025 49X +3 Dated Nov 14, 2025Service campaign SF721 Western Star · Suspension 2024 57X, 2025 57X Dated Sep 24, 2025Service campaign SF715 Western Star · Electrical System 2025 47X, 2025 49X, 2025 57X +1 Dated Aug 29, 2025Service campaign SF718 Western Star · Power Train 2025 47X, 2026 47X, 2025 49X +1 Dated Jun 3, 2025
Bulletins on file
Source: newest first| Number | Kind | Component | Dated | Model years |
|---|---|---|---|---|
| SF735 | Service campaign | Vehicle Speed Control, Engine | Sep 3, 2026 | 2026 47X |
| TITANX EXTENSION | Warranty extension | Engine | Feb 4, 2026 | 2025 47X, 2026 47X, 2025 49X +3 |
| F1015 | Emissions | Engine | Nov 14, 2025 | 2025 47X, 2026 47X, 2025 49X +3 |
| SF721 | Service campaign | Suspension | Sep 24, 2025 | 2024 57X, 2025 57X |
| SF715 | Service campaign | Electrical System, Visibility/Wiper | Aug 29, 2025 | 2025 47X, 2025 49X, 2025 57X +1 |
| SF718 | Service campaign | Power Train | Jun 3, 2025 | 2025 47X, 2026 47X, 2025 49X +1 |
| WEFRAMERAIL-05302025 | Warranty extension | — | May 30, 2025 | 2026 47X, 2026 49X, 2026 57X |
| SF716 | Service campaign | Engine | May 23, 2025 | 2025 47X, 2024 49X, 2025 49X |
| F1014 | Emissions | Engine | Mar 25, 2025 | 2025 47X, 2025 49X |
| D24M5 | Service campaign | Engine | Jan 30, 2025 | 2024 47X, 2025 47X, 2024 49X +3 |
| SF705 | Service campaign | Fuel/Propulsion System | Jan 21, 2025 | 2024 47X, 2025 47X, 2024 49X +3 |
| SF698-REV3 | Service campaign | Visibility/Wiper, Exterior Lighting | Dec 13, 2024 | 2019 47X, 2020 47X, 2021 47X +13 |
| D24R2 | Emissions | Engine | Dec 3, 2024 | 2017 4700, 2021 47X, 2022 47X +12 |
| D24R4 | Emissions | Engine | Nov 27, 2024 | 2016 4900, 2016 5700, 2016 6900 |
| WI24-019 | Warranty extension | Engine | Nov 11, 2024 | 2016 4700, 2017 4700, 2018 4700 +35 |
| SF703 | Service campaign | Engine | Nov 4, 2024 | 2024 47X, 2025 47X, 2024 49X +1 |
| SF679REV2 | Service campaign | — | Oct 1, 2024 | 2023 4700, 2024 4700, 2023 4900 +2 |
| WP24-017 | Warranty extension | Steering | Sep 30, 2024 | 2024 47X, 2025 47X, 2024 49X +3 |
| SF702 | Service campaign | Engine | Sep 30, 2024 | 2025 47X, 2025 49X |
| SF692 | Service campaign | — | Sep 11, 2024 | 2023 4900, 2024 4900, 2023 6900 |
| D24R5 | Emissions | Engine | Sep 3, 2024 | 2025 47X, 2025 49X, 2025 57X |
| SF685 | Service campaign | Electrical System | Aug 12, 2024 | 2022 47X, 2023 47X, 2022 49X +1 |
| SF698 | Service campaign | Exterior Lighting, Visibility/Wiper | Jul 29, 2024 | 2020 47X, 2021 47X, 2022 47X +14 |
| SF689 | Service campaign | Steering | Jul 25, 2024 | 2023 47X, 2024 47X |
| SF700 | Service campaign | Suspension | Jun 27, 2024 | 2024 57X, 2025 57X |
| SF698-REV | Service campaign | Exterior Lighting, Visibility/Wiper | Jun 14, 2024 | 2020 47X, 2021 47X, 2022 47X +14 |
| ICI24-024 | Service campaign | Visibility/Wiper, Exterior Lighting | Jun 13, 2024 | 2020 47X, 2021 47X, 2022 47X +14 |
| SF673-PROOF-USA-65MORE-FOLDOVERCARD | Service campaign | Electrical System | May 21, 2024 | 2021 49X, 2022 49X, 2023 49X |
| SF673-PROOF-USA-65LESS-FOLDOVER | Service campaign | Electrical System | May 21, 2024 | 2021 49X, 2022 49X, 2023 49X |
| SF672-PROOF-USA-65MORE-FOLDOVERCARD | Service campaign | Electrical System | May 21, 2024 | 2022 47X, 2023 47X, 2024 47X +5 |
| SF672-PROOF-USA-65LESS-FOLDOVER | Service campaign | Electrical System | May 21, 2024 | 2022 47X, 2023 47X, 2024 47X +5 |
| SF665-PROOF-USA-65MORE-FOLDOVERCARD | Service campaign | Electrical System | May 20, 2024 | 2022 47X, 2023 47X, 2024 47X +3 |
| SF665-PROOF-USA-65LESS-FOLDOVER | Service campaign | Electrical System | May 20, 2024 | 2022 47X, 2023 47X, 2024 47X +3 |
| D24M3 | Service campaign | Engine | May 10, 2024 | 2022 49X, 2023 49X |
Where to go next
Source: where to go from hereAll makes Every bulletin on file The newest filings across every make, and a number box for the one on your letter. Open →Warranty extensions Repairs the maker still pays for Every extension and special-coverage program, with the term it runs to. Open →Recalls A recall is different in law NHTSA campaigns with a federal duty to repair free, by NHTSA’s number and the maker’s. Open →Investigations What NHTSA is looking into Open defect investigations, their stage and how long each has run. Open →