Manufacturer communications
Mack service bulletins and campaigns
63 Mack communications on file with a page here: 50 service campaigns, 12 emissions, 1 over-the-air update. Every bulletin a Mack model-year page lists, plus every service campaign, warranty extension, over-the-air update and emissions notice Mack filed since 2016, whether or not the vehicle has a page.
Bulletins on file
Source: newest first| Number | Kind | Component | Dated | Model years |
|---|---|---|---|---|
| S4533 202608 | Service campaign | Engine | Aug 5, 2026 | 2025 Anthem (an) |
| S5041 202608 | Service campaign | Engine | Aug 2, 2026 | 2027 MD |
| S5025 202608 | Service campaign | Electrical System | Aug 2, 2026 | 2024 MD (electric), 2025 MD (electric), 2026 MD (electric) +1 |
| M0304 EC0033 202606 | Emissions | Engine | Jun 29, 2026 | 2018 Anthem (an), 2019 Anthem (an), 2018 CXU +2 |
| S4990 202606 | Service campaign | Structure | Jun 19, 2026 | 2026 Granite (gr), 2027 Granite (gr) |
| GDC26-001 202604 | Over-the-air update | Power Train | Apr 25, 2026 | 2026 Anthem AN (4), 2027 Anthem AN (4), 2026 Granite GR (4) +4 |
| SC S4920 202604 | Service campaign | Suspension | Apr 2, 2026 | 2024 LR, 2025 LR, 2026 LR +3 |
| S4866 032026 | Service campaign | Structure | Mar 2, 2026 | 2025 Pioneer PR (4) |
| S4808 032026 | Service campaign | Structure | Mar 2, 2026 | 2025 Pioneer PR (4), 2026 Pioneer PR (4) |
| M0039 032026 | Emissions | Engine | Mar 2, 2026 | 2017 Anthem (an), 2018 Anthem (an), 2019 Anthem (an) +6 |
| S4373 022026 | Service campaign | Structure | Feb 26, 2026 | 2025 Anthem (an), 2025 Pinnacle (pi/pn) |
| S4757 022026 | Service campaign | Engine | Feb 1, 2026 | 2026 Anthem AN (4), 2025 Pioneer PR (4), 2026 Pioneer PR (4) |
| S4342 022026 | Service campaign | Fuel/Propulsion System | Feb 1, 2026 | 2024 Anthem (an), 2025 Anthem (an), 2024 Granite (gr) +7 |
| M0302 022026 | Emissions | Engine | Feb 1, 2026 | 2017 Anthem (an), 2018 Anthem (an), 2017 CXU +3 |
| SC S4751 202601 | Service campaign | Electrical System | Jan 2, 2026 | 2026 Anthem AN (4), 2026 Pioneer PR (4) |
| SC S4742 202601 | Service campaign | Engine | Jan 2, 2026 | 2026 Anthem AN (4), 2025 Pioneer PR (4), 2026 Pioneer PR (4) |
| S4285 202512 | Service campaign | Electrical System | Dec 2, 2025 | 2024 MD (electric), 2025 MD (electric) |
| S4270 202512 | Service campaign | Electrical System | Dec 2, 2025 | 2025 Anthem (an), 2025 Granite (gr) |
| S4245 202512 | Service campaign | Electrical System | Dec 2, 2025 | 2024 MD (electric) |
| S4650 102025 | Service campaign | Suspension | Oct 1, 2025 | 2026 Granite (gr) |
| S4632 102025 | Service campaign | Seat Belts | Oct 1, 2025 | 2025 Anthem (an), 2025 Granite (gr), 2025 Pinnacle (pi/pn) |
| S4584 092025 | Service campaign | Unknown Or Other, Steering | Sep 1, 2025 | 2026 Granite (gr), 2026 Pinnacle (pi/pn) |
| S4579 092025 | Service campaign | Power Train, Unknown Or Other | Sep 1, 2025 | 2026 Anthem (an), 2026 Granite (gr), 2026 Pinnacle (pi/pn) |
| S4571 082025 | Service campaign | Steering | Aug 1, 2025 | 2016 MRU, 2017 MRU, 2018 MRU +5 |
| S4325 072025 | Service campaign | Engine | Jul 8, 2025 | 2025 MD |
| S4578 072025 | Service campaign | Unknown Or Other, Structure | Jul 1, 2025 | 2026 Anthem (an) |
| S4574 072025 | Service campaign | Power Train | Jul 1, 2025 | 2026 Anthem (an), 2026 Granite GR (4) |
| S4563 072025 | Service campaign | Electrical System | Jul 1, 2025 | 2021 Lrbe (electric), 2022 Lrbe (electric), 2023 Lrbe (electric) +2 |
| S4533 072025 | Service campaign | Engine | Jul 1, 2025 | 2025 Anthem (an) |
| S4558 202506 | Service campaign | Power Train | Jun 18, 2025 | 2021 Pinnacle (pi/pn), 2022 Pinnacle (pi/pn), 2023 Pinnacle (pi/pn) +1 |
| S4548 202506 | Service campaign | Structure, Unknown Or Other | Jun 1, 2025 | 2020 Anthem (an), 2021 Anthem (an), 2022 Anthem (an) |
| S4536 202506 | Service campaign | Electrical System, Unknown Or Other | Jun 1, 2025 | 2024 MD (electric), 2025 MD (electric), 2026 MD (electric) |
| S4404 202504 | Service campaign | Electrical System | Apr 2, 2025 | 2025 Anthem (an), 2025 Granite (gr) |
| M0350 202504 | Emissions | Engine | Apr 2, 2025 | 2017 Anthem (an), 2018 Anthem (an), 2017 CHU +7 |
| S4437- 202502 | Service campaign | Electrical System, Fuel/Propulsion System | Feb 28, 2025 | 2024 MD (electric), 2025 MD (electric) |
| S4373-202502 | Service campaign | Structure, Unknown Or Other | Feb 28, 2025 | 2025 Anthem (an), 2025 Pioneer PR (4) |
| S4325 202412 | Service campaign | Engine | Dec 9, 2024 | 2025 MD |
| S4309 202412 | Service campaign | Engine | Dec 3, 2024 | 2025 Granite (gr) |
| S4285 202412 | Service campaign | Electrical System | Dec 2, 2024 | 2024 MD (electric), 2025 MD (electric) |
| S4245 202411 | Service campaign | Fuel/Propulsion System, Electrical System | Nov 1, 2024 | 2024 MD (electric) |
| M0311 202410 | Emissions | Engine | Oct 25, 2024 | 2017 Anthem (an), 2018 Anthem (an), 2017 CHU +2 |
| M0310 202410 | Emissions | Engine | Oct 25, 2024 | 2017 Anthem (an), 2018 Anthem (an), 2017 CHU +6 |
| S4088 202409 | Service campaign | Power Train | Oct 1, 2024 | 2025 Anthem (an), 2025 Granite (gr), 2025 Pioneer PR (4) |
| S0285 202410 | Service campaign | Steering | Oct 1, 2024 | 2025 Pioneer PR (4) |
| M0296 202410 | Emissions | Engine | Oct 1, 2024 | 2022 Anthem (an), 2023 Anthem (an), 2024 Anthem (an) +9 |
| S4214 202409 | Service campaign | Unknown Or Other | Sep 25, 2024 | 2019 Granite (gr), 2020 Granite (gr), 2021 Granite (gr) +5 |
| M0311 202409 | Emissions | Engine | Sep 25, 2024 | 2018 Anthem (an), 2019 Anthem (an), 2020 Anthem (an) +4 |
| S4216 202409 | Service campaign | Fuel/Propulsion System | Sep 20, 2024 | 2024 Granite (gr) |
| S0310 202409 | Service campaign | Electrical System | Sep 2, 2024 | 2023 Anthem (an), 2024 Anthem (an), 2023 Granite (gr) +7 |
| M0304 202409 | Emissions | Engine | Sep 2, 2024 | 2018 Anthem (an), 2019 Anthem (an), 2020 Anthem (an) +4 |
| S0310 202408 | Service campaign | Electrical System | Aug 29, 2024 | 2023 Anthem (an), 2024 Anthem (an), 2023 Granite (gr) +7 |
| S3600 202408 | Service campaign | Engine | Aug 24, 2024 | 2023 Anthem (an), 2024 Anthem (an) |
| S3586 202408 | Service campaign | Engine | Aug 24, 2024 | 2023 Anthem (an), 2024 Anthem (an) |
| S3284 202408 | Service campaign | Steering | Aug 24, 2024 | 2024 Anthem (an), 2024 Granite (gr), 2024 Pinnacle (pi/pn) |
| S4115 202407 | Service campaign | Unknown Or Other, Power Train | Jul 24, 2024 | 2024 MD (electric) |
| S4105 202407 | Service campaign | Power Train | Jul 24, 2024 | 2024 MD (electric) |
| S3982 202407 | Service campaign | Electrical System | Jul 24, 2024 | 2024 Terrapro (te) |
| S0488 202407 | Service campaign | Power Train | Jul 24, 2024 | 2025 Anthem (an), 2025 Granite (gr), 2025 Pioneer PR (4) |
| S3949 202406 | Service campaign | Steering | Jun 3, 2024 | 2024 Granite (gr), 2025 Granite (gr), 2024 Pinnacle (pi/pn) +1 |
| S3418 202406 | Service campaign | Electrical System | Jun 3, 2024 | 2023 Lrbe (electric), 2024 Lrbe (electric) |
| M0310 202405 | Emissions | Engine | May 28, 2024 | 2017 Anthem (an), 2018 Anthem (an), 2017 CHU +6 |
| M0309 202405 | Emissions | Engine | May 28, 2024 | 2017 CHU, 2018 CHU, 2017 MRU +1 |
| M0303 202405 | Emissions | Engine | May 28, 2024 | 2017 Anthem (an), 2018 Anthem (an), 2017 CHU +10 |