Manufacturer communications · 2024
GMC bulletins dated 2024
933 communications, newest first. All GMC bulletins →
Bulletins
933 bulletins
| Number | Kind | Component | Dated | Model years |
|---|---|---|---|---|
| 21-NA-091 | Service bulletin | — | Dec 21, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +13 |
| PIT6311 | Service bulletin | — | Dec 20, 2024 | 2024 Canyon |
| 24-NA-276 | Service bulletin | Electrical System | Dec 20, 2024 | 2025 Sierra, 2025 Sierra 2500HD, 2025 Sierra 3500HD |
| PIT6310 | Service bulletin | Exterior Lighting | Dec 19, 2024 | 2025 Yukon |
| PIT6134F | Service bulletin | Service Brakes | Dec 19, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +5 |
| PIP6034 | Service bulletin | Power Train | Dec 19, 2024 | 2025 Acadia, 2024 Acadia |
| 24-NA-045 | Service bulletin | Steering, Service Brakes | Dec 19, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIT5386K | Service bulletin | Electrical System | Dec 18, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +27 |
| PIE0805A | Service bulletin | Seats | Dec 18, 2024 | 2024 Yukon |
| 24-NA-215 | Service bulletin | Electrical System, Engine | Dec 18, 2024 | 2025 Sierra 2500HD, 2025 Sierra 3500HD |
| 03-06-01-023I | Service bulletin | Engine | Dec 18, 2024 | 2025 Savana, 2024 Savana, 2023 Savana +41 |
| PIT6307 | Service bulletin | Back Over Prevention | Dec 17, 2024 | 2024 Yukon, 2023 Yukon |
| PIT6298 | Service bulletin | Forward Collision Avoidance | Dec 17, 2024 | 2025 Hummer EV, 2024 Hummer EV |
| PIT6295 | Service bulletin | Electrical System, Exterior Lighting | Dec 17, 2024 | 2024 Canyon, 2023 Canyon |
| PIP6003C | Service bulletin | Fuel/Propulsion System | Dec 17, 2024 | 2024 Terrain, 2023 Terrain |
| PIE0803A | Service bulletin | Engine | Dec 17, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| N242450160-01 | Service campaign | Fuel/Propulsion System | Dec 17, 2024 | 2023 Terrain |
| 24-NA-257 | Service bulletin | Seat Belts, Structure | Dec 17, 2024 | 2025 Hummer EV, 2024 Hummer EV |
| 21-NA-028 | Service bulletin | Power Train | Dec 17, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIT6265B | Service bulletin | — | Dec 16, 2024 | 2025 Hummer EV, 2025 Sierra, 2024 Sierra +16 |
| PIT6186D | Service bulletin | Forward Collision Avoidance | Dec 16, 2024 | 2025 Sierra, 2024 Sierra, 2025 Yukon |
| PIP6009B | Service bulletin | Fuel/Propulsion System | Dec 16, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIP5981C | Service bulletin | Power Train | Dec 16, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIT6304 | Service bulletin | Suspension | Dec 14, 2024 | 2025 Sierra, 2024 Sierra |
| PIT6302 | Service bulletin | — | Dec 14, 2024 | 2025 Yukon |
| PIT6301 | Service bulletin | Electrical System | Dec 14, 2024 | 2025 Yukon |
| PIT6288B | Service bulletin | Structure | Dec 14, 2024 | 2025 Yukon |
| PIT6144C | Service bulletin | Suspension | Dec 14, 2024 | 2024 Hummer EV |
| PIT5985G | Service bulletin | Fuel/Propulsion System, Electrical System | Dec 14, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +16 |
| 22-NA-053 | Service bulletin | Electrical System, Exterior Lighting | Dec 14, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +34 |
| 22-NA-038 | Service bulletin | Equipment | Dec 14, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +35 |
| 18-NA-263 | Service bulletin | Equipment | Dec 14, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +84 |
| PIT5832S | Service bulletin | Electrical System, Engine | Dec 13, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +16 |
| 24-NA-268 | Service bulletin | Structure | Dec 13, 2024 | 2025 Sierra, 2024 Sierra |
| PIT6250A | Service bulletin | Steering | Dec 12, 2024 | 2025 Sierra, 2024 Sierra |
| N242489900 | Other | — | Dec 12, 2024 | 2025 Sierra, 2024 Sierra |
| N242454441-01 | Service campaign | Power Train | Dec 12, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +8 |
| N242451390-01 | Service campaign | — | Dec 12, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIT6142D | Service bulletin | Electrical System | Dec 11, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| PIT6054C | Service bulletin | Structure, Electrical System | Dec 11, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +1 |
| PIT5907D | Service bulletin | Back Over Prevention | Dec 11, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIT5801E | Service bulletin | Suspension | Dec 11, 2024 | 2025 Yukon, 2024 Yukon, 2023 Yukon +2 |
| 24-NA-206 | Service bulletin | Electrical System | Dec 11, 2024 | 2024 Acadia, 2024 Canyon |
| 24-NA-083 | Service bulletin | Structure, Fuel/Propulsion System | Dec 11, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIT6300 | Service bulletin | Engine | Dec 10, 2024 | 2024 Sierra, 2023 Sierra |
| PIT6299 | Service bulletin | Electrical System | Dec 10, 2024 | 2025 Hummer EV |
| PIT6015C | Service bulletin | Electrical System | Dec 10, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +10 |
| PIE0753F | Service bulletin | Electrical System, Fuel/Propulsion System | Dec 10, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| 16-NA-376 | Service bulletin | Engine, Equipment | Dec 10, 2024 | 2018 Sierra, 2017 Sierra, 2025 Sierra 2500HD +15 |
| PIT6296 | Service bulletin | Service Brakes | Dec 9, 2024 | 2025 Hummer EV |
| PIT6293 | Service bulletin | Electrical System | Dec 9, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +1 |
| N242473580 | Service campaign | Power Train | Dec 9, 2024 | 2024 Acadia |
| N242470190 | Service campaign | Electrical System | Dec 9, 2024 | 2024 Hummer EV |
| PIT5074Q | Service bulletin | — | Dec 7, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| PIP6005A | Service bulletin | Power Train | Dec 7, 2024 | 2024 Acadia |
| PIT6297 | Service bulletin | — | Dec 6, 2024 | 2025 Terrain |
| PIT6288A | Service bulletin | Structure | Dec 6, 2024 | 2025 Yukon |
| PIT5962B | Service bulletin | Electrical System | Dec 6, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +84 |
| PIT5696H | Service bulletin | Service Brakes | Dec 6, 2024 | 2022 Canyon, 2021 Canyon, 2020 Canyon +11 |
| PIC6587 | Service bulletin | Lane Departure | Dec 6, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +25 |
| PIC6552D | Service bulletin | Lane Departure | Dec 6, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +25 |
| N242478260-01 | Service campaign | — | Dec 6, 2024 | 2024 Sierra |
| PIT6202C | Service bulletin | Structure | Dec 5, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIT6101M | Service bulletin | — | Dec 5, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +4 |
| PIT6098B | Service bulletin | — | Dec 5, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon |
| PIT5923C | Service bulletin | Suspension | Dec 5, 2024 | 2025 Yukon, 2024 Yukon, 2023 Yukon +2 |
| PIP5974E | Service bulletin | Power Train | Dec 5, 2024 | 2024 Acadia, 2024 Terrain |
| N242481861 | Service campaign | — | Dec 5, 2024 | 2024 Savana |
| PIT6261 | Service bulletin | — | Dec 4, 2024 | 2020 Acadia, 2019 Acadia, 2018 Acadia +37 |
| PIT5993C | Service bulletin | Electrical System | Dec 4, 2024 | 2025 Yukon, 2024 Yukon, 2023 Yukon +2 |
| PIT5697D | Service bulletin | Back Over Prevention | Dec 4, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +14 |
| N242475020 | Service campaign | — | Dec 4, 2024 | 2024 Canyon |
| N242452110 | Service campaign | Steering | Dec 4, 2024 | 2024 Acadia, 2024 Sierra |
| PIT6209D | Service bulletin | — | Dec 3, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +12 |
| N242453430 | Service campaign | — | Dec 3, 2024 | 2024 Canyon, 2024 Sierra |
| N242454441 | Service bulletin | Power Train | Nov 27, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +7 |
| 24-NA-259 | Service bulletin | Visibility/Wiper | Nov 27, 2024 | 2025 Acadia, 2024 Acadia, 2025 Canyon +16 |
| 21-NA-275 | Service bulletin | Power Train, Wheels | Nov 27, 2024 | 2021 Sierra, 2020 Sierra, 2021 Sierra 2500HD +4 |
| 08-07-30-035I | Service bulletin | Power Train | Nov 27, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +80 |
| PIT6292 | Service bulletin | Electrical System | Nov 26, 2024 | 2024 Canyon, 2023 Canyon |
| PIT6287 | Service bulletin | Power Train, Fuel/Propulsion System | Nov 26, 2024 | 2025 Yukon |
| PIT6286 | Service bulletin | Structure | Nov 26, 2024 | 2024 Sierra |
| 17-NA-271 | Service bulletin | Wheels, Service Brakes | Nov 26, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +10 |
| PIT6285A | Service bulletin | — | Nov 25, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6277 | Service bulletin | Electrical System | Nov 25, 2024 | 2025 Sierra, 2024 Sierra |
| PIP5981B | Service bulletin | — | Nov 25, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +2 |
| N242478260 | Service campaign | Steering | Nov 25, 2024 | 2024 Sierra |
| 22-NA-238 | Service bulletin | Electrical System, Equipment | Nov 25, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +50 |
| 17-NA-374 | Service bulletin | Engine | Nov 25, 2024 | 2018 Sierra, 2017 Sierra, 2025 Sierra 2500HD +13 |
| PIT6288 | Service bulletin | Structure | Nov 22, 2024 | 2025 Yukon |
| PIT6238C | Service bulletin | Exterior Lighting, Electrical System | Nov 22, 2024 | 2025 Acadia, 2024 Acadia |
| PIT6023C | Service bulletin | — | Nov 22, 2024 | 2024 Sierra |
| PIT5868C | Service bulletin | Electrical System | Nov 22, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +11 |
| 23-NA-167 | Service bulletin | Visibility/Wiper, Equipment | Nov 22, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +18 |
| 22-NA-168 | Service bulletin | Engine | Nov 22, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +4 |
| 19-NA-219 | Service bulletin | Engine | Nov 22, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +80 |
| PIT6289 | Service bulletin | Forward Collision Avoidance, Back Over Prevention | Nov 21, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIT6279B | Service bulletin | — | Nov 21, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +8 |
| PIP6025 | Service bulletin | Power Train | Nov 21, 2024 | 2025 Acadia, 2024 Acadia, 2025 Terrain +1 |
| 24-NA-260 | Service bulletin | Power Train | Nov 20, 2024 | 2025 Acadia, 2024 Acadia, 2025 Terrain |
| PIT6271A | Service bulletin | Exterior Lighting, Electrical System | Nov 19, 2024 | 2025 Terrain |
| N242470230 | Service campaign | — | Nov 19, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2025 Sierra +1 |
| PIT6282A | Service bulletin | Fuel/Propulsion System | Nov 18, 2024 | 2025 Terrain |
| PIE0802A | Service bulletin | Fuel/Propulsion System, Electrical System | Nov 18, 2024 | 2024 Sierra, 2024 Yukon |
| PIE0787B | Service bulletin | Fuel/Propulsion System | Nov 18, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +9 |
| 21-NA-181 | Service bulletin | Power Train, Equipment | Nov 18, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +8 |
| PIT6284 | Service bulletin | — | Nov 15, 2024 | 2025 Yukon |
| PIT6279A | Service bulletin | Electrical System | Nov 15, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +4 |
| PIT6134E | Service bulletin | Service Brakes | Nov 15, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| PIT5860B | Service bulletin | Electrical System | Nov 15, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +5 |
| PIE0808 | Service bulletin | Fuel/Propulsion System, Engine | Nov 15, 2024 | 2024 Canyon, 2023 Canyon |
| PIE0807A | Service bulletin | Engine | Nov 15, 2024 | 2024 Acadia |
| PIE0800A | Service bulletin | Engine | Nov 14, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra |
| N242473130 | Service campaign | Service Brakes | Nov 14, 2024 | 2025 Hummer EV |
| 24-NA-255 | Service bulletin | Electrical System, Air Bags | Nov 14, 2024 | 2025 Yukon, 2024 Yukon, 2023 Yukon |
| 24-NA-181 | Service bulletin | Power Train | Nov 14, 2024 | 2024 Sierra |
| 18-NA-210 | Service bulletin | Structure, Electrical System | Nov 14, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| N242475740 | Service campaign | — | Nov 13, 2024 | 2024 Canyon |
| 24-NA-231 | Service bulletin | Structure | Nov 13, 2024 | 2025 Sierra, 2024 Sierra |
| 24-NA-226 | Service bulletin | Structure | Nov 13, 2024 | 2025 Hummer EV, 2024 Hummer EV |
| PIT6281 | Service bulletin | Electrical System | Nov 12, 2024 | 2025 Yukon |
| PIP6023 | Service bulletin | Fuel/Propulsion System | Nov 12, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra |
| N242477520 | Service campaign | Structure | Nov 12, 2024 | 2025 Sierra 2500HD, 2025 Sierra 3500HD, 2024 Yukon |
| 24-NA-152 | Service bulletin | Lane Departure, Exterior Lighting | Nov 9, 2024 | 2025 Sierra 2500HD, 2024 Sierra 2500HD, 2025 Sierra 3500HD +1 |
| PIT6279 | Service bulletin | — | Nov 8, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +8 |
| PIT6276 | Service bulletin | Structure | Nov 8, 2024 | 2025 Yukon, 2024 Yukon, 2023 Yukon +2 |
| PIT6275 | Service bulletin | Structure | Nov 8, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +1 |
| PIT6265A | Service bulletin | — | Nov 8, 2024 | 2024 Acadia, 2025 Hummer EV, 2025 Sierra +17 |
| PIT6167E | Service bulletin | Forward Collision Avoidance | Nov 8, 2024 | 2025 Acadia, 2024 Acadia |
| 24-NA-140 | Service bulletin | Seats | Nov 8, 2024 | 2024 Acadia |
| N242478480 | Service campaign | — | Nov 7, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-253 | Service bulletin | Engine | Nov 7, 2024 | 2023 Sierra 2500HD, 2023 Sierra 3500HD |
| 24-NA-249 | Service bulletin | Seats | Nov 7, 2024 | 2025 Sierra, 2024 Sierra |
| 12-08-51-002R | Service bulletin | Structure | Nov 7, 2024 | 2025 Canyon, 2024 Canyon, 2023 Canyon +41 |
| PIT6273 | Service bulletin | Power Train | Nov 5, 2024 | 2025 Yukon |
| PIP5993C | Service bulletin | Fuel/Propulsion System, Engine | Nov 5, 2024 | 2025 Acadia, 2024 Acadia |
| PIT6192B | Service bulletin | Electrical System | Nov 4, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra |
| N242451030-02 | Service campaign | — | Nov 4, 2024 | 2023 Canyon |
| N242450160 | Service campaign | Fuel/Propulsion System | Nov 4, 2024 | 2023 Terrain |
| PIT6209C | Service bulletin | — | Nov 1, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +10 |
| PIT6018H | Service bulletin | — | Oct 30, 2024 | 2024 Canyon, 2023 Canyon |
| 24-NA-243 | Service bulletin | Electrical System, Engine | Oct 30, 2024 | 2025 Acadia, 2024 Acadia |
| 21-NA-089 | Service bulletin | Service Brakes | Oct 30, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +4 |
| PIT6269 | Service bulletin | Structure | Oct 29, 2024 | 2025 Hummer EV, 2024 Hummer EV |
| PIT6268 | Service bulletin | Forward Collision Avoidance | Oct 29, 2024 | 2025 Yukon |
| PIT6060A | Service bulletin | — | Oct 29, 2024 | 2025 Sierra, 2024 Sierra, 2025 Sierra 2500HD +3 |
| PIP6020A | Service bulletin | Engine | Oct 29, 2024 | 2025 Sierra 2500HD, 2024 Sierra 2500HD, 2025 Sierra 3500HD +1 |
| PIC6556F | Service bulletin | — | Oct 29, 2024 | 2024 Acadia, 2024 Sierra, 2025 Yukon |
| 23-NA-021 | Service bulletin | Power Train, Engine | Oct 29, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +8 |
| PIT6267 | Service bulletin | Suspension | Oct 28, 2024 | 2025 Yukon |
| PIT5985F | Service bulletin | Electrical System | Oct 28, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +15 |
| PIT5832R | Service bulletin | — | Oct 28, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +15 |
| 24-NA-168 | Service bulletin | Electrical System | Oct 28, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 04-06-01-029K | Service bulletin | Steering, Power Train | Oct 28, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +80 |
| 24-NA-236 | Service bulletin | Engine | Oct 26, 2024 | 2025 Acadia, 2024 Acadia |
| 23-NA-149 | Service bulletin | Service Brakes, Electrical System | Oct 26, 2024 | 2023 Canyon, 2024 Hummer EV, 2024 Sierra 2500HD +2 |
| PIT6245 | Service bulletin | Electrical System | Oct 25, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIT6244 | Service bulletin | — | Oct 25, 2024 | 2025 Sierra, 2024 Sierra, 2024 Sierra 2500HD +1 |
| PIT6243 | Service bulletin | — | Oct 25, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +8 |
| PIT6242 | Service bulletin | — | Oct 25, 2024 | 2024 Acadia |
| PIT6241 | Service bulletin | — | Oct 25, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +5 |
| PIT6240 | Service bulletin | — | Oct 25, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +15 |
| PIT6238A | Service bulletin | Electrical System | Oct 25, 2024 | 2024 Acadia |
| PIT6238 | Service bulletin | Electrical System | Oct 25, 2024 | 2024 Acadia |
| PIT6232 | Service bulletin | — | Oct 25, 2024 | 2024 Canyon |
| PIT6212B | Service bulletin | Service Brakes | Oct 25, 2024 | 2025 Canyon, 2024 Canyon, 2025 Hummer EV +7 |
| PIT6189C | Service bulletin | — | Oct 25, 2024 | 2025 Hummer EV |
| PIT6186C | Service bulletin | Forward Collision Avoidance | Oct 25, 2024 | 2025 Sierra, 2024 Sierra, 2025 Yukon |
| PIT6184F | Service bulletin | Seats | Oct 25, 2024 | 2024 Acadia |
| PIT6167B | Service bulletin | — | Oct 25, 2024 | 2024 Acadia |
| PIT6147A | Service bulletin | — | Oct 25, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| PIT6134D | Service bulletin | Service Brakes | Oct 25, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| PIT6101L | Service bulletin | — | Oct 25, 2024 | 2024 Sierra, 2023 Sierra, 2024 Yukon +1 |
| PIT5698E | Service bulletin | Electrical System | Oct 25, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| PIP6009 | Service bulletin | — | Oct 25, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2025 Sierra +1 |
| PIP6003B | Service bulletin | Engine | Oct 25, 2024 | 2024 Terrain, 2023 Terrain |
| PIP6002A | Service bulletin | Power Train | Oct 25, 2024 | 2024 Sierra |
| PIP5994A | Service bulletin | — | Oct 25, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2024 Sierra |
| PIP5970A | Service bulletin | Engine | Oct 25, 2024 | 2024 Acadia |
| PIP4723J | Service bulletin | Electrical System | Oct 25, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| PIE0807 | Service bulletin | Engine, Electrical System | Oct 25, 2024 | 2024 Acadia |
| PIE0804A | Service bulletin | Engine | Oct 25, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| N242435631-05 | Service campaign | Electrical System | Oct 25, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +5 |
| PIT6265 | Service bulletin | — | Oct 24, 2024 | 2025 Hummer EV, 2025 Sierra, 2024 Sierra +8 |
| PIT6236 | Service bulletin | — | Oct 24, 2024 | 2024 Acadia, 2024 Sierra |
| PIT6214A | Service bulletin | — | Oct 24, 2024 | 2024 Acadia, 2024 Canyon, 2024 Sierra |
| PIT6184E | Service bulletin | Seats | Oct 24, 2024 | 2024 Acadia |
| PIT6142B | Service bulletin | Electrical System | Oct 24, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| PIT6120A | Service bulletin | — | Oct 24, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +2 |
| PIT6101K | Service bulletin | — | Oct 24, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +4 |
| PIT6044L | Service bulletin | — | Oct 24, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIT5909C | Service bulletin | Structure | Oct 24, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +18 |
| PIT5812E | Service bulletin | Service Brakes | Oct 24, 2024 | 2023 Terrain, 2022 Terrain, 2021 Terrain |
| PIP6019 | Service bulletin | Engine | Oct 24, 2024 | 2024 Terrain, 2023 Terrain |
| PIP5928B | Service bulletin | Power Train | Oct 24, 2024 | 2023 Sierra, 2022 Sierra, 2023 Yukon +1 |
| PIC6556E | Service bulletin | — | Oct 24, 2024 | 2024 Acadia, 2024 Sierra |
| 20-NA-136 | Service bulletin | Power Train | Oct 24, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +2 |
| PIT6167D | Service bulletin | Forward Collision Avoidance | Oct 23, 2024 | 2024 Acadia |
| PIP6008A | Service bulletin | Power Train | Oct 23, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +7 |
| 21-NA-184 | Service bulletin | Electrical System, Equipment | Oct 23, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| 21-NA-169 | Service bulletin | Power Train, Electrical System | Oct 23, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +7 |
| PIT6236A | Service bulletin | — | Oct 22, 2024 | 2024 Acadia, 2024 Sierra, 2025 Yukon |
| PIT6234 | Service bulletin | Electrical System | Oct 22, 2024 | 2025 Yukon, 2024 Yukon, 2023 Yukon +2 |
| PIT6233A | Service bulletin | — | Oct 22, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +5 |
| PIT6233 | Service bulletin | — | Oct 22, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIT6202B | Service bulletin | Electrical System | Oct 22, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +2 |
| PIT6157B | Service bulletin | — | Oct 22, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon |
| PIT6134C | Service bulletin | Service Brakes | Oct 22, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| PIT6110D | Service bulletin | — | Oct 22, 2024 | 2024 Sierra, 2023 Sierra, 2024 Yukon +3 |
| PIT6101J | Service bulletin | — | Oct 22, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +4 |
| PIT5941B | Service bulletin | — | Oct 22, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIP6018 | Service bulletin | Power Train | Oct 22, 2024 | 2024 Canyon, 2023 Canyon, 2024 Savana +3 |
| PIP6005 | Service bulletin | Power Train | Oct 22, 2024 | 2024 Acadia |
| PIP6003A | Service bulletin | Engine | Oct 22, 2024 | 2024 Terrain, 2023 Terrain |
| PIP5994 | Service bulletin | — | Oct 22, 2024 | 2025 Hummer EV, 2024 Sierra |
| PIE0806 | Service bulletin | Structure | Oct 22, 2024 | 2024 Yukon, 2023 Yukon |
| PIE0753E | Service bulletin | Electrical System, Fuel/Propulsion System | Oct 22, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIC6572 | Service bulletin | — | Oct 22, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +3 |
| PIC6556D | Service bulletin | — | Oct 22, 2024 | 2024 Acadia |
| 22-NA-092 | Service bulletin | Service Brakes | Oct 22, 2024 | 2025 Sierra 2500HD, 2024 Sierra 2500HD, 2023 Sierra 2500HD +9 |
| PIT6184D | Service bulletin | Seats | Oct 21, 2024 | 2024 Acadia |
| PIP5993B | Service bulletin | Engine | Oct 21, 2024 | 2025 Acadia, 2024 Acadia |
| PIC6486H | Service bulletin | — | Oct 21, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +8 |
| 23-NA-048 | Service bulletin | Engine | Oct 21, 2024 | 2024 Canyon, 2023 Canyon, 2024 Sierra +2 |
| 24-NA-039 | Service bulletin | Structure, Electrical System | Oct 19, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon |
| PIT6260 | Service bulletin | Electrical System | Oct 18, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon |
| PIT6241B | Service bulletin | — | Oct 18, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +3 |
| PIT6209B | Service bulletin | — | Oct 18, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIT5569C | Service bulletin | Electrical System | Oct 18, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| PIP6009A | Service bulletin | Electrical System | Oct 18, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIP6003 | Service bulletin | Engine | Oct 18, 2024 | 2024 Terrain, 2023 Terrain |
| PIP5927B | Service bulletin | Engine | Oct 18, 2024 | 2025 Terrain, 2024 Terrain, 2023 Terrain |
| PIP5921A | Service bulletin | Engine | Oct 18, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +2 |
| PIT6242A | Service bulletin | — | Oct 17, 2024 | 2024 Acadia |
| PIT6209A | Service bulletin | — | Oct 17, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIT5387P | Service bulletin | — | Oct 17, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +7 |
| 24-NA-230 | Service bulletin | Engine, Power Train | Oct 17, 2024 | 2025 Sierra, 2024 Sierra |
| PIP6015 | Service bulletin | — | Oct 16, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| 24-NA-188 | Service bulletin | Engine | Oct 16, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra |
| 24-NA-169 | Service bulletin | Forward Collision Avoidance, Electrical System | Oct 16, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +1 |
| 24-NA-145 | Service bulletin | Engine, Electrical System | Oct 16, 2024 | 2025 Acadia, 2024 Acadia |
| 24-NA-108 | Service bulletin | Electrical System | Oct 16, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +11 |
| PIT6259 | Service bulletin | Fuel/Propulsion System | Oct 15, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +13 |
| N242454750 | Service campaign | — | Oct 15, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-225 | Service bulletin | Fuel/Propulsion System | Oct 15, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +31 |
| 24-NA-224 | Service bulletin | Engine, Electrical System | Oct 15, 2024 | 2025 Acadia, 2024 Acadia |
| PIP5970B | Service bulletin | — | Oct 14, 2024 | 2024 Acadia |
| PIE0798A | Service bulletin | Steering | Oct 14, 2024 | 2024 Yukon |
| 24-NA-034 | Service bulletin | Forward Collision Avoidance, Equipment Adaptive/Mobility | Oct 12, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIP5997A | Service bulletin | Electrical System | Oct 11, 2024 | 2022 Sierra |
| 24-NA-040 | Service bulletin | Equipment | Oct 11, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +84 |
| PIT6186B | Service bulletin | Forward Collision Avoidance | Oct 10, 2024 | 2025 Sierra, 2024 Sierra |
| PIP6014 | Service bulletin | Power Train | Oct 10, 2024 | 2023 Canyon, 2022 Canyon, 2021 Canyon +22 |
| N242453170 | Service campaign | Service Brakes | Oct 10, 2024 | 2025 Acadia, 2024 Acadia |
| 24-NA-223 | Service bulletin | Power Train | Oct 10, 2024 | 2019 Acadia, 2018 Acadia, 2020 Terrain +4 |
| PIT6258 | Service bulletin | — | Oct 9, 2024 | 2024 Yukon |
| PIT6255 | Service bulletin | Suspension | Oct 9, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +7 |
| PIT6215A | Service bulletin | Electrical System | Oct 9, 2024 | 2023 Canyon, 2024 Hummer EV, 2023 Hummer EV +3 |
| PIT6167C | Service bulletin | Forward Collision Avoidance | Oct 9, 2024 | 2024 Acadia |
| N242467600 | Service bulletin | Power Train | Oct 9, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-219 | Service bulletin | Structure | Oct 9, 2024 | 2025 Yukon, 2024 Yukon, 2023 Yukon +2 |
| 24-NA-196 | Service bulletin | Engine | Oct 9, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +21 |
| 10-00-89-009F | Service bulletin | — | Oct 9, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +84 |
| PIT6256 | Service bulletin | Electrical System | Oct 8, 2024 | 2024 Acadia |
| PIT6238B | Service bulletin | Exterior Lighting | Oct 8, 2024 | 2024 Acadia |
| PIT6142C | Service bulletin | Electrical System | Oct 7, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| N24-246937 | Over-the-air update | — | Oct 7, 2024 | 2024 Canyon |
| 24-NA-208 | Service bulletin | Electrical System | Oct 7, 2024 | 2023 Canyon |
| 24-NA-184 | Service bulletin | Engine | Oct 7, 2024 | 2025 Acadia, 2024 Acadia |
| 12-08-51-002Q | Service bulletin | Structure | Oct 7, 2024 | 2025 Canyon, 2024 Canyon, 2023 Canyon +21 |
| 03-06-01-023H | Service bulletin | Engine | Oct 7, 2024 | 2025 Savana, 2024 Savana, 2023 Savana +41 |
| N24-246798 | Over-the-air update | — | Oct 6, 2024 | 2024 Acadia |
| 24-NA-217 | Service bulletin | Engine | Oct 5, 2024 | 2025 Acadia, 2024 Acadia |
| 01-06-01-011Q | Service bulletin | Engine | Oct 5, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +80 |
| PIT6250 | Service bulletin | Structure | Oct 4, 2024 | 2024 Sierra |
| PIT6248 | Service bulletin | Electrical System | Oct 4, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +1 |
| PIP5983B | Service bulletin | Power Train | Oct 4, 2024 | 2025 Sierra 2500HD, 2024 Sierra 2500HD, 2025 Sierra 3500HD +1 |
| PIP5621E | Service bulletin | — | Oct 4, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| PIT6241A | Service bulletin | — | Oct 3, 2024 | 2024 Sierra, 2023 Sierra, 2024 Sierra 2500HD +4 |
| PIT6221A | Service bulletin | Forward Collision Avoidance | Oct 3, 2024 | 2025 Acadia, 2024 Acadia |
| PIT5950B | Service bulletin | — | Oct 3, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +4 |
| N24-247011 | Over-the-air update | — | Oct 3, 2024 | 2024 Sierra |
| 99-00-89-019Z | Service bulletin | — | Oct 3, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +84 |
| 24-NA-212 | Service bulletin | Structure | Oct 3, 2024 | 2025 Sierra, 2024 Sierra |
| 24-NA-211 | Service bulletin | Power Train, Electrical System | Oct 3, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| N24-247071 | Over-the-air update | — | Oct 2, 2024 | 2024 Hummer EV |
| N24-244877 | Over-the-air update | — | Oct 2, 2024 | 2024 Hummer EV |
| 24-NA-213 | Service bulletin | Lane Departure, Structure | Oct 2, 2024 | 2024 Yukon, 2023 Yukon |
| 24-NA-209 | Service bulletin | Electrical System | Oct 2, 2024 | 2023 Acadia, 2022 Acadia, 2024 Terrain +2 |
| 23-NA-154 | Service bulletin | Equipment | Oct 2, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +85 |
| 07-00-89-037T | Service bulletin | — | Oct 2, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +84 |
| PIT5551P | Service bulletin | Forward Collision Avoidance | Oct 1, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +45 |
| PIE0805 | Service bulletin | Seats | Oct 1, 2024 | 2024 Yukon |
| N242441560 | Service campaign | — | Oct 1, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +2 |
| 24-NA-167 | Service bulletin | Electrical System, Power Train | Oct 1, 2024 | 2023 Sierra, 2022 Sierra, 2022 Yukon +1 |
| 23-NA-072 | Service bulletin | Power Train, Vehicle Speed Control | Sep 27, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +1 |
| 04-06-04-051J | Service bulletin | Engine | Sep 27, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +77 |
| PIE0804 | Service bulletin | Engine | Sep 26, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| 24-NA-128 | Service bulletin | Electrical System, Power Train | Sep 26, 2024 | 2024 Acadia |
| PIE0802 | Service bulletin | Engine, Electrical System | Sep 25, 2024 | 2024 Sierra, 2024 Yukon |
| PIE0803 | Service bulletin | Engine, Electrical System | Sep 24, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| N242455301-01 | Service campaign | Engine | Sep 24, 2024 | 2024 Sierra, 2024 Yukon |
| N24-247470 | Over-the-air update | — | Sep 23, 2024 | 2025 Sierra |
| 17-NA-302 | Service bulletin | Fuel/Propulsion System, Equipment | Sep 23, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +18 |
| 23-NA-219 | Service bulletin | Equipment, Structure | Sep 21, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +81 |
| N242455950 | Service campaign | — | Sep 20, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| N242435631-04 | Service campaign | Electrical System | Sep 19, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +5 |
| N242435630-04 | Service campaign | Electrical System | Sep 19, 2024 | 2024 Sierra, 2023 Sierra, 2024 Sierra 2500HD +2 |
| 24-NA-203 | Service bulletin | Steering, Electrical System | Sep 19, 2024 | 2024 Yukon, 2023 Yukon |
| 24-NA-198 | Service bulletin | Engine | Sep 19, 2024 | 2024 Yukon, 2023 Yukon |
| 24-NA-197 | Service bulletin | Fuel/Propulsion System, Engine | Sep 19, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +13 |
| PIE0782A | Service bulletin | Engine | Sep 18, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +2 |
| N242442070 | Service campaign | — | Sep 18, 2024 | 2022 Hummer EV Pickup |
| N242436170 | Service campaign | Electrical System | Sep 18, 2024 | 2023 Hummer EV |
| 24-NA-191 | Service bulletin | Structure | Sep 17, 2024 | 2024 Hummer EV, 2024 Sierra |
| 24-NA-088 | Service bulletin | Power Train | Sep 17, 2024 | 2023 Sierra, 2024 Sierra 2500HD, 2023 Sierra 2500HD +4 |
| 24-NA-027 | Service bulletin | Equipment Adaptive/Mobility, Electrical System | Sep 17, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Sierra +6 |
| 20-NA-138 | Service bulletin | Power Train, Engine | Sep 17, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +77 |
| PIT6229 | Service bulletin | — | Sep 16, 2024 | 2024 Sierra |
| PIT6197B | Service bulletin | — | Sep 16, 2024 | 2024 Sierra |
| PIT6139E | Service bulletin | — | Sep 16, 2024 | 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT5860C | Service bulletin | — | Sep 16, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +11 |
| PIT5689J | Service bulletin | Engine | Sep 16, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +13 |
| PIP6002 | Service bulletin | Power Train | Sep 16, 2024 | 2024 Sierra |
| PIP6001 | Service bulletin | — | Sep 16, 2024 | 2024 Savana, 2023 Savana |
| PIP5949A | Service bulletin | Engine | Sep 16, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +6 |
| PIE0799 | Service bulletin | Engine | Sep 16, 2024 | 2025 Acadia, 2024 Acadia |
| 21-NA-120 | Service bulletin | Power Train, Equipment | Sep 16, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| 08-07-30-026I | Service bulletin | Power Train | Sep 16, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +81 |
| PIT6132A | Service bulletin | — | Sep 14, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +13 |
| PIT5966D | Service bulletin | — | Sep 14, 2024 | 2022 Acadia, 2021 Acadia, 2022 Canyon +9 |
| PIT5680A | Service bulletin | Structure | Sep 14, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +4 |
| PIP6000A | Service bulletin | Power Train | Sep 14, 2024 | 2022 Savana, 2021 Savana, 2020 Savana +16 |
| PIP5999 | Service bulletin | — | Sep 14, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIP5974D | Service bulletin | Power Train | Sep 14, 2024 | 2024 Acadia, 2024 Terrain |
| 18-NA-146 | Service bulletin | Equipment | Sep 14, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +81 |
| PIT6225 | Service bulletin | — | Sep 13, 2024 | 2025 Hummer EV |
| PIT6224 | Service bulletin | Engine | Sep 13, 2024 | 2024 Sierra, 2023 Sierra, 2024 Yukon +1 |
| PIT6223 | Service bulletin | Electrical System | Sep 13, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +2 |
| PIT6222 | Service bulletin | — | Sep 13, 2024 | 2024 Yukon, 2023 Yukon |
| PIT6213A | Service bulletin | Structure | Sep 13, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2024 Sierra |
| PIT6189B | Service bulletin | — | Sep 13, 2024 | 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6110C | Service bulletin | — | Sep 13, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +9 |
| PIT5985E | Service bulletin | — | Sep 13, 2024 | 2025 Acadia, 2024 Acadia, 2024 Canyon +14 |
| PIT5511E | Service bulletin | — | Sep 13, 2024 | 2019 Sierra, 2018 Sierra, 2017 Sierra +8 |
| PIT5282G | Service bulletin | Service Brakes | Sep 13, 2024 | 2019 Sierra, 2018 Sierra, 2017 Sierra +8 |
| PIP6000 | Service bulletin | Power Train | Sep 13, 2024 | 2022 Savana, 2021 Savana, 2020 Savana +13 |
| PIP5998 | Service bulletin | Engine | Sep 13, 2024 | 2024 Canyon, 2024 Sierra |
| PIP5997 | Service bulletin | — | Sep 13, 2024 | 2022 Sierra |
| PIP5996A | Service bulletin | Power Train | Sep 13, 2024 | 2024 Canyon, 2023 Canyon, 2022 Canyon +25 |
| PIP5993A | Service bulletin | Engine | Sep 13, 2024 | 2025 Acadia, 2024 Acadia |
| PIP5990A | Service bulletin | Engine | Sep 13, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +1 |
| PIP5942A | Service bulletin | Electrical System | Sep 13, 2024 | 2024 Yukon, 2023 Yukon |
| PIE0794C | Service bulletin | Engine | Sep 13, 2024 | 2025 Acadia, 2024 Acadia |
| 24-NA-158 | Service bulletin | Engine, Electrical System | Sep 13, 2024 | 2024 Yukon, 2023 Yukon |
| PIT6221 | Service bulletin | Steering | Sep 12, 2024 | 2025 Acadia, 2024 Acadia |
| PIT6202A | Service bulletin | — | Sep 12, 2024 | 2024 Sierra |
| PIT6177A | Service bulletin | Suspension | Sep 12, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +2 |
| PIT5987A | Service bulletin | Steering | Sep 12, 2024 | 2023 Acadia, 2022 Acadia |
| PIT5871B | Service bulletin | — | Sep 12, 2024 | 2022 Sierra |
| PIT5099H | Service bulletin | — | Sep 12, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| PIP5981A | Service bulletin | Power Train | Sep 12, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Sierra |
| PIP5901A | Service bulletin | — | Sep 12, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| N242450631 | Service campaign | Engine | Sep 12, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +1 |
| 24-NA-187 | Service bulletin | Wheels | Sep 12, 2024 | 2024 Acadia, 2025 Sierra, 2024 Sierra +3 |
| 24-NA-186 | Service bulletin | Engine, Structure | Sep 12, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +1 |
| PIT6220 | Service bulletin | — | Sep 11, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +2 |
| PIT6218 | Service bulletin | — | Sep 11, 2024 | 2024 Acadia |
| PIT6217 | Service bulletin | — | Sep 11, 2024 | 2024 Canyon, 2023 Canyon, 2024 Sierra |
| PIT6215 | Service bulletin | Electrical System | Sep 11, 2024 | 2023 Canyon, 2024 Hummer EV, 2023 Hummer EV +2 |
| PIT6214 | Service bulletin | — | Sep 11, 2024 | 2024 Acadia, 2024 Canyon, 2024 Sierra |
| PIT6213 | Service bulletin | Structure | Sep 11, 2024 | 2024 Sierra |
| PIT6212A | Service bulletin | Service Brakes, Electrical System | Sep 11, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6212 | Service bulletin | Service Brakes | Sep 11, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +15 |
| PIT6193A | Service bulletin | — | Sep 11, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +4 |
| PIT6188E | Service bulletin | Wheels | Sep 11, 2024 | 2024 Acadia |
| PIT6188D | Service bulletin | Wheels | Sep 11, 2024 | 2024 Acadia |
| PIT6184C | Service bulletin | Seats | Sep 11, 2024 | 2024 Acadia |
| PIT6171A | Service bulletin | Wheels | Sep 11, 2024 | 2024 Yukon |
| PIT6157A | Service bulletin | — | Sep 11, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon |
| PIT6151A | Service bulletin | — | Sep 11, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +9 |
| PIT6144B | Service bulletin | Suspension | Sep 11, 2024 | 2024 Hummer EV, 2024 Sierra |
| PIT6101H | Service bulletin | Electrical System | Sep 11, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +4 |
| PIT6057C | Service bulletin | Structure | Sep 11, 2024 | 2025 Hummer EV, 2024 Hummer EV |
| PIT6044K | Service bulletin | — | Sep 11, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +1 |
| PIT6023B | Service bulletin | — | Sep 11, 2024 | 2024 Sierra |
| PIT5509L | Service bulletin | Service Brakes | Sep 11, 2024 | 2024 Canyon, 2023 Canyon, 2022 Canyon +24 |
| PIP5996 | Service bulletin | Power Train | Sep 11, 2024 | 2024 Canyon, 2023 Canyon, 2022 Canyon +25 |
| PIC6086H | Service bulletin | — | Sep 11, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +18 |
| N242435631-03 | Service campaign | Electrical System | Sep 11, 2024 | 2023 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +2 |
| N242435630-03 | Service campaign | Electrical System | Sep 11, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| 23-NA-210 | Service bulletin | Power Train, Electrical System | Sep 11, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra |
| PIT6209 | Service bulletin | — | Sep 10, 2024 | 2024 Sierra, 2023 Sierra, 2024 Sierra 2500HD +3 |
| PIT6192A | Service bulletin | Engine | Sep 10, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra |
| PIC6511A | Service bulletin | — | Sep 10, 2024 | 2024 Acadia |
| 24-NA-185 | Service bulletin | Steering, Wheels | Sep 10, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +15 |
| 22-NA-235 | Service bulletin | Electrical System, Equipment | Sep 10, 2024 | 2023 Acadia, 2022 Acadia, 2023 Canyon +15 |
| 21-NA-281 | Service bulletin | Power Train | Sep 10, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +6 |
| 07-00-89-036K | Service bulletin | — | Sep 10, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +81 |
| PIT6208 | Service bulletin | — | Sep 9, 2024 | 2024 Canyon |
| PIT6207 | Service bulletin | Structure | Sep 9, 2024 | 2024 Sierra |
| PIT6206 | Service bulletin | — | Sep 9, 2024 | 2024 Sierra |
| PIT6205 | Service bulletin | — | Sep 9, 2024 | 2023 Yukon, 2022 Yukon |
| PIT6203A | Service bulletin | Exterior Lighting | Sep 9, 2024 | 2024 Canyon |
| PIT6202 | Service bulletin | Structure | Sep 9, 2024 | 2024 Sierra |
| PIT6184B | Service bulletin | Seats | Sep 9, 2024 | 2024 Acadia |
| PIT6101G | Service bulletin | — | Sep 9, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +4 |
| PIT6044J | Service bulletin | — | Sep 9, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIP5993 | Service bulletin | Engine | Sep 9, 2024 | 2024 Acadia |
| PIP5986A | Service bulletin | — | Sep 9, 2024 | 2024 Acadia |
| PIP5984D | Service bulletin | Engine | Sep 9, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +3 |
| PIC6556C | Service bulletin | — | Sep 9, 2024 | 2024 Acadia |
| 23-NA-142 | Service bulletin | Power Train | Sep 9, 2024 | 2023 Canyon, 2022 Canyon, 2021 Canyon +39 |
| 02-00-89-002X | Service bulletin | — | Sep 9, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +81 |
| PIT6203 | Service bulletin | Exterior Lighting | Sep 6, 2024 | 2024 Canyon |
| PIT6200 | Service bulletin | Power Train | Sep 6, 2024 | 2024 Acadia |
| PIT6199 | Service bulletin | — | Sep 6, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon |
| PIT6198 | Service bulletin | Electrical System | Sep 6, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +7 |
| PIT6197A | Service bulletin | — | Sep 6, 2024 | 2024 Sierra |
| PIT6182A | Service bulletin | — | Sep 6, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +1 |
| PIT6134B | Service bulletin | Service Brakes | Sep 6, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| PIT6073C | Service bulletin | Seats | Sep 6, 2024 | 2023 Sierra, 2023 Sierra 2500HD, 2023 Sierra 3500HD |
| PIT6048A | Service bulletin | Electrical System | Sep 6, 2024 | 2023 Canyon |
| PIT6029A | Service bulletin | Electrical System | Sep 6, 2024 | 2024 Canyon, 2023 Canyon |
| PIT5872D | Service bulletin | Steering | Sep 6, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT3271P | Service bulletin | — | Sep 6, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +79 |
| PIP5992 | Service bulletin | Power Train | Sep 6, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| PIP5988 | Service bulletin | Engine | Sep 6, 2024 | 2024 Sierra |
| PIP5984C | Service bulletin | Engine | Sep 6, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIP5964D | Service bulletin | Engine | Sep 6, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +10 |
| PIC5650L | Service bulletin | Electrical System | Sep 6, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| N242435631-02 | Service campaign | Electrical System | Sep 6, 2024 | 2024 Sierra, 2024 Yukon |
| N242435631-01 | Service campaign | Electrical System | Sep 6, 2024 | 2024 Sierra, 2024 Yukon |
| N242435630-02 | Service campaign | Electrical System | Sep 6, 2024 | 2024 Sierra, 2024 Yukon |
| N242435602 | Service campaign | Electrical System | Sep 6, 2024 | 2024 Hummer EV |
| 24-NA-162 | Service bulletin | Engine, Electrical System | Sep 6, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-103 | Service bulletin | Structure | Sep 6, 2024 | 2025 Sierra, 2024 Sierra, 2023 Sierra +7 |
| PIT6197 | Service bulletin | Electrical System | Sep 4, 2024 | 2024 Sierra |
| PIT6191 | Service bulletin | Electrical System | Sep 4, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6118B | Service bulletin | Electrical System | Sep 4, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6101F | Service bulletin | Electrical System | Sep 4, 2024 | 2023 Acadia |
| PIT5990B | Service bulletin | Structure | Sep 4, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| PIT5854B | Service bulletin | Vehicle Speed Control | Sep 4, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Yukon +4 |
| PIT5851E | Service bulletin | Electrical System | Sep 4, 2024 | 2024 Sierra, 2023 Sierra, 2024 Sierra 3500HD +4 |
| PIP5974C | Service bulletin | Power Train | Sep 4, 2024 | 2024 Acadia, 2024 Terrain |
| PIP5832A | Service bulletin | Engine | Sep 4, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| N242435600 | Service campaign | Engine | Sep 4, 2024 | 2024 Hummer EV |
| 24-NA-179 | Service bulletin | Power Train | Sep 4, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-178 | Service bulletin | Wheels | Aug 30, 2024 | 2025 Canyon, 2024 Canyon, 2023 Canyon +8 |
| 24-NA-175 | Service bulletin | Engine | Aug 30, 2024 | 2021 Sierra, 2020 Sierra, 2019 Sierra |
| 24-NA-052 | Service bulletin | Equipment, Electrical System | Aug 29, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 21-NA-149 | Service bulletin | Engine, Electrical System | Aug 29, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +5 |
| PIE0792B | Service bulletin | Electrical System, Structure | Aug 28, 2024 | 2024 Yukon |
| PIE0787A | Service bulletin | Fuel/Propulsion System | Aug 28, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +9 |
| N23-242884 | Over-the-air update | — | Aug 28, 2024 | 2024 Canyon |
| N222389722 | Service campaign | Electrical System | Aug 28, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +3 |
| 24-NA-174 | Service bulletin | — | Aug 27, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +81 |
| 24-NA-172 | Service bulletin | Electrical System | Aug 27, 2024 | 2024 Canyon |
| N242455301 | Service campaign | Engine | Aug 26, 2024 | 2024 Sierra, 2024 Yukon |
| GENERAL COMMUNICATION | Service campaign | Electrical System | Aug 26, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| 05-03-08-002J | Service bulletin | Suspension | Aug 22, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +81 |
| N242441450 | Service campaign | Electrical System | Aug 21, 2024 | 2024 Sierra, 2023 Sierra, 2024 Yukon +3 |
| N242435630-01 | Service bulletin | Electrical System | Aug 19, 2024 | 2024 Sierra, 2024 Yukon |
| N24-247058 | Over-the-air update | — | Aug 19, 2024 | 2024 Canyon |
| 18-NA-073 | Service bulletin | Engine | Aug 19, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +79 |
| PIT6193 | Service bulletin | — | Aug 16, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +2 |
| PIT6192 | Service bulletin | Engine | Aug 16, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra |
| PIT6190 | Service bulletin | — | Aug 16, 2024 | 2024 Canyon, 2023 Canyon |
| PIT6189A | Service bulletin | — | Aug 16, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6189 | Service bulletin | — | Aug 16, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6188A | Service bulletin | — | Aug 16, 2024 | 2024 Acadia |
| PIT6188 | Service bulletin | — | Aug 16, 2024 | 2024 Acadia |
| PIT6187 | Service bulletin | Electrical System | Aug 16, 2024 | 2024 Acadia |
| PIT6169C | Service bulletin | Electrical System | Aug 16, 2024 | 2024 Acadia |
| PIT6155B | Service bulletin | Electrical System | Aug 16, 2024 | 2024 Acadia, 2024 Sierra |
| PIT6139D | Service bulletin | — | Aug 16, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6110B | Service bulletin | Electrical System | Aug 16, 2024 | 2024 Sierra, 2023 Sierra, 2024 Sierra 2500HD +11 |
| PIT6065H | Service bulletin | — | Aug 16, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6036A | Service bulletin | — | Aug 16, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +2 |
| PIT6033A | Service bulletin | Suspension | Aug 16, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIT5985D | Service bulletin | Electrical System | Aug 16, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +12 |
| PIT5918B | Service bulletin | Exterior Lighting | Aug 16, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +8 |
| PIT5689H | Service bulletin | Engine | Aug 16, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +13 |
| PIT5481J | Service bulletin | Electrical System | Aug 16, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +15 |
| PIP5991 | Service bulletin | — | Aug 16, 2024 | 2023 Sierra 2500HD, 2022 Sierra 2500HD, 2021 Sierra 2500HD +11 |
| PIP5990 | Service bulletin | Engine | Aug 16, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +1 |
| PIP5987 | Service bulletin | Power Train | Aug 16, 2024 | 2024 Canyon, 2023 Canyon, 2024 Sierra |
| PIP5986 | Service bulletin | Electrical System | Aug 16, 2024 | 2024 Acadia |
| PIP5984B | Service bulletin | Engine | Aug 16, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIP5984A | Service bulletin | Engine | Aug 16, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIP5983A | Service bulletin | Power Train | Aug 16, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIC6556B | Service bulletin | — | Aug 16, 2024 | 2024 Acadia |
| PIC6556A | Service bulletin | Electrical System | Aug 16, 2024 | 2024 Acadia |
| N242439340-01 | Service campaign | Engine | Aug 16, 2024 | 2024 Hummer EV |
| 23-NA-044 | Service bulletin | Electrical System, Engine | Aug 16, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +79 |
| PIT6185 | Service bulletin | Forward Collision Avoidance | Aug 15, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6182 | Service bulletin | — | Aug 15, 2024 | 2024 Acadia, 2024 Canyon |
| PIT6181 | Service bulletin | Wheels | Aug 15, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIT6169B | Service bulletin | — | Aug 15, 2024 | 2024 Acadia |
| PIT6139C | Service bulletin | Electrical System | Aug 15, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6118A | Service bulletin | — | Aug 15, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Sierra +4 |
| PIT6107F | Service bulletin | — | Aug 15, 2024 | 2022 Sierra, 2023 Yukon, 2022 Yukon |
| PIT6055D | Service bulletin | — | Aug 15, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6022A | Service bulletin | — | Aug 15, 2024 | 2024 Canyon, 2023 Canyon |
| PIT6015B | Service bulletin | Suspension | Aug 15, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| PIT6014A | Service bulletin | — | Aug 15, 2024 | 2024 Canyon, 2023 Canyon |
| PIT5923B | Service bulletin | Suspension | Aug 15, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIT5811A | Service bulletin | — | Aug 15, 2024 | 2021 Sierra, 2020 Sierra, 2024 Sierra 2500HD +1 |
| PIT5801D | Service bulletin | Suspension | Aug 15, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIP5985 | Service bulletin | Electrical System | Aug 15, 2024 | 2024 Canyon, 2023 Canyon |
| PIP5984 | Service bulletin | Engine | Aug 15, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +3 |
| PIP5951A | Service bulletin | — | Aug 15, 2024 | 2024 Hummer EV |
| PIC6486G | Service bulletin | Electrical System | Aug 15, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +8 |
| N242468850 | Service campaign | Structure | Aug 15, 2024 | 2024 Hummer EV |
| 18-NA-150 | Service bulletin | Engine | Aug 15, 2024 | 2018 Sierra, 2017 Sierra, 2024 Sierra 2500HD +11 |
| PIT6184A | Service bulletin | Electrical System | Aug 14, 2024 | 2024 Acadia |
| PIT6184 | Service bulletin | Electrical System | Aug 14, 2024 | 2024 Acadia |
| PIT6144A | Service bulletin | Suspension | Aug 14, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Yukon +4 |
| PIT6086B | Service bulletin | Electrical System | Aug 14, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6085B | Service bulletin | Electrical System | Aug 14, 2024 | 2024 Hummer EV |
| PIT6057B | Service bulletin | Structure, Electrical System | Aug 14, 2024 | 2025 Hummer EV, 2024 Hummer EV |
| PIT6030B | Service bulletin | Structure, Electrical System | Aug 14, 2024 | 2024 Hummer EV |
| PIT5832P | Service bulletin | Electrical System | Aug 14, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +12 |
| PIE0794B | Service bulletin | Engine | Aug 14, 2024 | 2024 Acadia |
| PIE0753D | Service bulletin | Fuel/Propulsion System, Electrical System | Aug 14, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +1 |
| N232430450 | Service campaign | Engine | Aug 14, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 23-NA-183 | Service bulletin | Electrical System, Equipment | Aug 14, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +4 |
| PIT6180 | Service bulletin | Seats | Aug 13, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +27 |
| PIT6179 | Service bulletin | — | Aug 13, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6177 | Service bulletin | Fuel/Propulsion System | Aug 13, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +2 |
| PIT6175 | Service bulletin | Suspension | Aug 13, 2024 | 2024 Yukon |
| PIT6174 | Service bulletin | — | Aug 13, 2024 | 2023 Canyon |
| PIT6172 | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Canyon, 2023 Canyon |
| PIT6170 | Service bulletin | Electrical System, Engine | Aug 13, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain |
| PIT6169A | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Acadia |
| PIT6169 | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Acadia |
| PIT6168 | Service bulletin | Electrical System | Aug 13, 2024 | 2023 Canyon, 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6167 | Service bulletin | Forward Collision Avoidance | Aug 13, 2024 | 2024 Acadia |
| PIT6161B | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6161A | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6156B | Service bulletin | Suspension | Aug 13, 2024 | 2024 Acadia |
| PIT6155A | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Acadia, 2024 Sierra |
| PIT6154A | Service bulletin | Steering | Aug 13, 2024 | 2024 Sierra 3500HD |
| PIT6152A | Service bulletin | — | Aug 13, 2024 | 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6139B | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Hummer EV |
| PIT6134A | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| PIT6107E | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +4 |
| PIT6102A | Service bulletin | Electrical System | Aug 13, 2024 | 2023 Yukon, 2022 Yukon, 2021 Yukon |
| PIT6101E | Service bulletin | Electrical System | Aug 13, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +6 |
| PIT6086A | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6085A | Service bulletin | Forward Collision Avoidance | Aug 13, 2024 | 2024 Hummer EV |
| PIT6065G | Service bulletin | — | Aug 13, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6057A | Service bulletin | Structure | Aug 13, 2024 | 2024 Hummer EV |
| PIT6055C | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6044H | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6030A | Service bulletin | — | Aug 13, 2024 | 2024 Hummer EV |
| PIT6004A | Service bulletin | — | Aug 13, 2024 | 2024 Hummer EV |
| PIT5993B | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIT5986B | Service bulletin | Suspension | Aug 13, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +5 |
| PIT5832N | Service bulletin | — | Aug 13, 2024 | 2023 Canyon, 2024 Hummer EV, 2023 Hummer EV +10 |
| PIT5832M | Service bulletin | Electrical System | Aug 13, 2024 | 2023 Canyon, 2024 Hummer EV, 2023 Hummer EV +7 |
| PIT5800C | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIT5650B | Service bulletin | Structure | Aug 13, 2024 | 2022 Sierra, 2019 Sierra, 2018 Sierra +8 |
| PIT5195H | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +24 |
| PIP5983 | Service bulletin | Power Train | Aug 13, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIP5982 | Service bulletin | — | Aug 13, 2024 | 2024 Canyon, 2023 Canyon |
| PIP5981 | Service bulletin | Fuel/Propulsion System | Aug 13, 2024 | 2024 Hummer EV, 2023 Hummer EV |
| PIP5979 | Service bulletin | Fuel/Propulsion System | Aug 13, 2024 | 2024 Terrain, 2023 Terrain |
| PIP5974B | Service bulletin | Power Train | Aug 13, 2024 | 2024 Acadia, 2024 Terrain |
| PIP5974A | Service bulletin | Power Train | Aug 13, 2024 | 2024 Terrain |
| PIP5965A | Service bulletin | — | Aug 13, 2024 | 2024 Yukon, 2023 Yukon |
| PIP5927A | Service bulletin | Engine | Aug 13, 2024 | 2024 Terrain, 2023 Terrain |
| PIP5926C | Service bulletin | Power Train | Aug 13, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| PIP5865C | Service bulletin | Fuel/Propulsion System | Aug 13, 2024 | 2024 Canyon, 2023 Canyon, 2024 Sierra +5 |
| PIP5712C | Service bulletin | Engine | Aug 13, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +7 |
| PIP5569B | Service bulletin | Electrical System | Aug 13, 2024 | 2019 Acadia, 2018 Acadia, 2017 Acadia +38 |
| PIC6551 | Service bulletin | Electrical System | Aug 13, 2024 | 2022 Acadia, 2021 Acadia, 2022 Canyon +9 |
| PIC6486F | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +8 |
| PIC6481A | Service bulletin | Electrical System | Aug 13, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon |
| N242445290 | Warranty extension | Engine | Aug 13, 2024 | 2021 Canyon |
| 23-NA-016 | Service bulletin | Equipment, Structure | Aug 13, 2024 | 2025 Hummer EV, 2024 Hummer EV |
| PIT6107D | Service bulletin | Electrical System | Aug 12, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +4 |
| PIP5977 | Service bulletin | Power Train | Aug 12, 2024 | 2022 Savana, 2021 Savana, 2020 Savana |
| PIP5976 | Service bulletin | Power Train | Aug 12, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 19-NA-237 | Service bulletin | Engine, Fuel/Propulsion System | Aug 12, 2024 | 2024 Hummer EV, 2022 Savana, 2021 Savana +31 |
| 19-NA-020 | Service bulletin | Engine | Aug 12, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +4 |
| N232414840-02 | Service campaign | Service Brakes | Aug 9, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-100 | Service bulletin | Electrical System | Aug 9, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +5 |
| 24-NA-043 | Service bulletin | Fuel/Propulsion System | Aug 9, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| 24-NA-010 | Service bulletin | Service Brakes, Electrical System | Aug 9, 2024 | 2024 Canyon, 2023 Canyon |
| 23-NA-061 | Service bulletin | Engine | Aug 9, 2024 | 2018 Sierra, 2017 Sierra, 2024 Sierra 2500HD +5 |
| 23-NA-011 | Service bulletin | Engine | Aug 9, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| 22-NA-128 | Service bulletin | Engine, Fuel/Propulsion System | Aug 9, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| 18-NA-098 | Service bulletin | Engine | Aug 9, 2024 | 2018 Sierra, 2017 Sierra, 2024 Sierra 2500HD +11 |
| 16-NA-380 | Service bulletin | Engine, Fuel/Propulsion System | Aug 9, 2024 | 2022 Canyon, 2021 Canyon, 2020 Canyon +40 |
| 16-NA-372 | Service bulletin | Engine, Equipment | Aug 9, 2024 | 2020 Sierra, 2019 Sierra, 2018 Sierra +16 |
| 16-NA-244 | Service bulletin | Engine, Fuel/Propulsion System | Aug 9, 2024 | 2022 Canyon, 2021 Canyon, 2020 Canyon +39 |
| 01-00-89-010S | Service bulletin | — | Aug 9, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| PIE0798 | Service bulletin | Steering | Aug 8, 2024 | 2024 Yukon |
| 24-NA-144 | Service bulletin | — | Aug 8, 2024 | 2025 Acadia, 2024 Canyon, 2023 Canyon +8 |
| 24-NA-055 | Service bulletin | Structure | Aug 8, 2024 | 2024 Hummer EV, 2023 Hummer EV |
| 23-NA-141 | Service bulletin | Engine | Aug 8, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +74 |
| 07-06-01-016J | Service bulletin | Engine | Aug 8, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +74 |
| N242451030 | Service campaign | Electrical System | Aug 7, 2024 | 2024 Canyon |
| 16-NA-222 | Service bulletin | Engine, Electrical System | Aug 7, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +74 |
| 05-06-04-022V | Service bulletin | Fuel/Propulsion System | Aug 7, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +74 |
| 00-06-01-012N | Service bulletin | Engine | Aug 7, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +74 |
| 09-06-04-026Y | Service bulletin | Electrical System, Engine | Aug 6, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +73 |
| 24-NA-147 | Service bulletin | Seat Belts | Aug 5, 2024 | 2016 Acadia, 2019 Sierra, 2018 Sierra +17 |
| 01-06-01-011P | Service bulletin | Engine | Aug 5, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +74 |
| 18-NA-103 | Service bulletin | Fuel/Propulsion System, Engine | Aug 3, 2024 | 2022 Canyon, 2021 Canyon, 2020 Canyon +42 |
| 21-NA-271 | Service bulletin | Engine, Electrical System | Aug 2, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| N242451390 | Service campaign | — | Aug 1, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +2 |
| N232414840-01 | Service campaign | Service Brakes | Aug 1, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 20-NA-090 | Service bulletin | Engine, Electrical System | Aug 1, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +16 |
| 18-NA-306 | Service bulletin | Equipment | Aug 1, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| PIE0793B | Service bulletin | Engine | Jul 31, 2024 | 2024 Canyon, 2024 Sierra |
| PI0754G | Service bulletin | Visibility/Wiper | Jul 31, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| 20-NA-082 | Service bulletin | Engine, Fuel/Propulsion System | Jul 31, 2024 | 2022 Canyon, 2021 Canyon, 2020 Canyon +22 |
| N242446290-02 | Service campaign | Electrical System | Jul 30, 2024 | 2024 Acadia, 2024 Terrain |
| 24-NA-111 | Service bulletin | Electrical System, Power Train | Jul 30, 2024 | 2024 Acadia |
| 22-NA-239 | Service bulletin | Suspension | Jul 27, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +3 |
| 18-NA-279 | Service bulletin | Electrical System, Latches/Locks/Linkages | Jul 26, 2024 | 2021 Acadia, 2020 Acadia, 2023 Hummer EV +21 |
| 16-NA-158 | Service bulletin | Equipment | Jul 26, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| 24-NA-141 | Service bulletin | Power Train | Jul 24, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| 24-NA-014 | Service bulletin | Electrical System, Seats | Jul 24, 2024 | 2024 Canyon, 2023 Canyon |
| 12-01-37-001G | Service bulletin | Engine, Electrical System | Jul 24, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| PIE0789A | Service bulletin | Wheels, Suspension | Jul 23, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIE0777A | Service bulletin | Seats | Jul 23, 2024 | 2024 Yukon, 2023 Yukon |
| N242435631 | Service campaign | Electrical System | Jul 23, 2024 | 2024 Yukon |
| N242435630 | Service campaign | Electrical System | Jul 23, 2024 | 2024 Yukon |
| 20-NA-038 | Service bulletin | Fuel/Propulsion System | Jul 23, 2024 | 2024 Savana, 2023 Savana, 2022 Savana +34 |
| 18-NA-115 | Service bulletin | Engine | Jul 23, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +18 |
| 16-NA-342 | Service bulletin | Visibility/Wiper, Electrical System | Jul 23, 2024 | 2024 Acadia, 2019 Sierra |
| PIE0792A | Service bulletin | Electrical System, Structure | Jul 22, 2024 | 2024 Yukon |
| 00-03-10-002M | Service bulletin | Wheels | Jul 22, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| 24-NA-131 | Service bulletin | — | Jul 18, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 24-NA-130 | Service bulletin | Electrical System | Jul 18, 2024 | 2025 Hummer EV |
| 24-NA-005 | Service bulletin | Electrical System, Exterior Lighting | Jul 17, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 20-NA-203 | Service bulletin | Engine, Fuel/Propulsion System | Jul 17, 2024 | 2018 Sierra, 2024 Sierra 2500HD, 2023 Sierra 2500HD +12 |
| 17-NA-157 | Service bulletin | Engine, Equipment | Jul 17, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +72 |
| N242442100 | Service campaign | Electrical System | Jul 16, 2024 | 2022 Sierra |
| N232414840 | Service campaign | Service Brakes | Jul 16, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| N242442140-01 | Service campaign | Engine | Jul 15, 2024 | 2024 Sierra, 2024 Yukon |
| PIE0793A | Service bulletin | Engine | Jul 13, 2024 | 2024 Canyon, 2024 Sierra |
| 24-NA-116 | Service bulletin | Steering, Vehicle Speed Control | Jul 13, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| 24-NA-117 | Service bulletin | Electrical System | Jul 11, 2024 | 2024 Sierra, 2023 Sierra, 2024 Sierra 2500HD +4 |
| 22-NA-248 | Service bulletin | Engine, Electrical System | Jul 11, 2024 | 2022 Yukon, 2021 Yukon |
| 24-NA-124 | Service bulletin | Engine, Electrical System | Jul 10, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| 24-NA-122 | Service bulletin | Electrical System, Service Brakes | Jul 10, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 23-NA-002 | Service bulletin | Electrical System, Engine | Jul 10, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +2 |
| 20-NA-022 | Service bulletin | Suspension | Jul 10, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| 99-04-20-002O | Service bulletin | Power Train | Jul 9, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| 21-NA-268 | Service bulletin | Engine, Service Brakes | Jun 29, 2024 | 2022 Terrain, 2021 Terrain, 2020 Terrain +2 |
| 04-06-04-051I | Service bulletin | Fuel/Propulsion System | Jun 29, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +75 |
| PIE0788C | Service bulletin | Fuel/Propulsion System, Electrical System | Jun 28, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 24-NA-123 | Service bulletin | Engine | Jun 28, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +11 |
| 16-NA-383 | Service bulletin | Engine, Fuel/Propulsion System | Jun 28, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +74 |
| N242455300 | Service campaign | — | Jun 27, 2024 | 2024 Sierra, 2024 Yukon |
| 24-NA-120 | Service bulletin | Engine, Electrical System | Jun 27, 2024 | 2023 Sierra |
| PIE0794A | Service bulletin | Engine | Jun 26, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia |
| 24-NA-114 | Service bulletin | Fuel/Propulsion System, Engine | Jun 26, 2024 | 2022 Savana, 2021 Savana, 2020 Savana |
| N242450680 | Service campaign | — | Jun 20, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-110 | Service bulletin | Electrical System, Power Train | Jun 20, 2024 | 2024 Acadia |
| 24-NA-109 | Service bulletin | Structure, Electrical System | Jun 20, 2024 | 2023 Canyon |
| 24-NA-091 | Service bulletin | Engine, Electrical System | Jun 20, 2024 | 2023 Sierra, 2022 Sierra |
| PIE0791B | Service bulletin | Fuel/Propulsion System, Electrical System | Jun 19, 2024 | 2024 Sierra, 2023 Sierra, 2024 Yukon +1 |
| N242446290-01 | Service campaign | — | Jun 18, 2024 | 2024 Acadia, 2024 Terrain |
| 22-NA-070 | Service bulletin | Equipment | Jun 18, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +80 |
| 22-NA-018 | Service bulletin | Structure, Equipment | Jun 17, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +79 |
| 18-NA-099 | Service bulletin | Equipment | Jun 17, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +80 |
| 19-NA-218 | Service bulletin | Engine | Jun 15, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +9 |
| 24-NA-063 | Service bulletin | Electrical System, Forward Collision Avoidance | Jun 14, 2024 | 2024 Sierra, 2023 Sierra, 2023 Yukon +1 |
| 18-NA-125 | Service bulletin | Electrical System, Engine | Jun 14, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +78 |
| N242446290 | Service campaign | — | Jun 13, 2024 | 2024 Acadia, 2024 Terrain |
| PIE0793 | Service bulletin | Engine | Jun 11, 2024 | 2024 Canyon, 2024 Sierra |
| PIE0794 | Service bulletin | Engine | Jun 10, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia |
| PIE0788B | Service bulletin | Electrical System, Fuel/Propulsion System | Jun 10, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 21-NA-068 | Service bulletin | Electrical System, Equipment | Jun 8, 2024 | 2025 Acadia, 2024 Acadia, 2023 Acadia +69 |
| N232431900 | Service campaign | — | Jun 6, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra |
| 21-NA-276 | Service bulletin | Power Train, Electrical System | Jun 6, 2024 | 2021 Acadia, 2020 Acadia, 2019 Acadia +3 |
| PIE0791A | Service bulletin | Engine, Fuel/Propulsion System | Jun 5, 2024 | 2024 Sierra, 2023 Sierra, 2024 Yukon +1 |
| N242441120 | Warranty extension | Engine | Jun 5, 2024 | 2021 Acadia |
| 20-NA-016 | Service bulletin | — | Jun 5, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| 22-NA-193 | Service bulletin | Engine, Fuel/Propulsion System | Jun 4, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +11 |
| 18-NA-020 | Service bulletin | Engine, Structure | May 31, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIE0791 | Service bulletin | Electrical System, Engine | May 30, 2024 | 2024 Sierra, 2023 Sierra, 2024 Yukon +1 |
| 23-NA-032 | Service bulletin | Engine, Electrical System | May 30, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +24 |
| PIE0792 | Service bulletin | Electrical System | May 29, 2024 | 2024 Yukon |
| N232434060 | Service campaign | — | May 28, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 10-03-10-001G | Service bulletin | Suspension, Wheels | May 25, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +15 |
| PIE0781B | Service bulletin | Engine | May 24, 2024 | 2024 Canyon, 2023 Canyon, 2024 Sierra +1 |
| 24-NA-090 | Service bulletin | Electrical System, Forward Collision Avoidance | May 24, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Sierra +6 |
| N242442140 | Service campaign | Engine | May 16, 2024 | 2024 Sierra, 2024 Yukon |
| N232433891 | Service campaign | Power Train, Fuel/Propulsion System | May 16, 2024 | 2023 Acadia, 2024 Terrain |
| N232433890 | Service campaign | Fuel/Propulsion System, Engine | May 16, 2024 | 2023 Acadia, 2024 Terrain |
| N232427750 | Service campaign | Engine | May 16, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 22-NA-003 | Service bulletin | Electrical System, Engine | May 16, 2024 | 2022 Canyon, 2021 Canyon, 2020 Canyon +4 |
| 19-NA-136 | Service bulletin | Power Train | May 16, 2024 | 2024 Canyon, 2023 Canyon, 2022 Canyon +36 |
| 08-07-30-035H | Service bulletin | Power Train | May 16, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| PIE0786A | Service bulletin | Engine | May 15, 2024 | 2023 Yukon |
| N242439341 | Service campaign | — | May 15, 2024 | 2024 Hummer EV |
| 16-NA-119 | Service bulletin | Equipment | May 14, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| N242439340 | Service campaign | — | May 13, 2024 | 2024 Hummer EV |
| 24-NA-085 | Service bulletin | Electrical System | May 13, 2024 | 2024 Acadia, 2024 Canyon, 2023 Canyon +1 |
| 23-NA-123 | Service bulletin | Electrical System, Engine | May 10, 2024 | 2023 Acadia, 2022 Acadia |
| PIE0781A | Service bulletin | Engine | May 9, 2024 | 2024 Canyon, 2023 Canyon, 2024 Sierra +1 |
| PIE0789 | Service bulletin | Wheels, Suspension | May 7, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIE0788A | Service bulletin | Electrical System, Fuel/Propulsion System | May 7, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 09-00-89-008G | Service bulletin | — | May 7, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +79 |
| N242438501-01 | Service bulletin | Electrical System, Engine | May 6, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 18-NA-067 | Service bulletin | Wheels | May 6, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| 22-NA-106 | Service bulletin | Equipment, Wheels | May 3, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| 18-NA-361 | Service bulletin | Fuel/Propulsion System, Engine | May 3, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +22 |
| 06-00-89-029V | Service bulletin | Seats | May 1, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| PIT6161 | Service bulletin | Electrical System, Back Over Prevention | Apr 30, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6065F | Service bulletin | Electrical System | Apr 30, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| N242437120 | Service bulletin | Equipment | Apr 30, 2024 | 2023 Savana |
| 13-08-116-001J | Service bulletin | Electrical System | Apr 30, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| 10-08-110-001K | Service bulletin | — | Apr 30, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| PIT6110A | Service bulletin | — | Apr 26, 2024 | 2024 Sierra, 2023 Sierra, 2024 Sierra 2500HD +11 |
| 23-NA-125 | Service bulletin | Electrical System, Equipment | Apr 26, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +67 |
| 22-NA-039 | Service bulletin | Structure, Equipment | Apr 26, 2024 | 2025 Hummer EV, 2024 Hummer EV, 2023 Hummer EV +1 |
| 15-00-89-004G | Service bulletin | Engine, Power Train | Apr 26, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| N232426401-01 | Service bulletin | Latches/Locks/Linkages | Apr 25, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| 24-NA-070 | Service bulletin | Electrical System, Engine | Apr 25, 2024 | 2024 Sierra, 2023 Sierra, 2024 Yukon +3 |
| N232426401 | Service bulletin | Latches/Locks/Linkages | Apr 24, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| N232413430 | Service bulletin | Engine | Apr 24, 2024 | 2023 Sierra, 2023 Yukon |
| 23-NA-191 | Service bulletin | Electrical System, Power Train | Apr 24, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| N242441790 | Service bulletin | Electrical System | Apr 23, 2024 | 2024 Yukon |
| N242441680 | Service bulletin | Engine | Apr 22, 2024 | 2024 Acadia |
| 21-NA-054 | Service bulletin | Electrical System, Equipment | Apr 22, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +4 |
| 23-NA-152 | Service bulletin | Engine, Electrical System | Apr 18, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 00-03-10-006P | Service bulletin | Wheels | Apr 18, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| N232428780-01 | Service bulletin | Power Train, Engine | Apr 17, 2024 | 2021 Savana, 2017 Savana |
| 24-NA-058 | Service bulletin | Engine, Electrical System | Apr 16, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 23-NA-213 | Service bulletin | Electrical System, Engine | Apr 16, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| N242438501 | Service bulletin | Electrical System, Engine | Apr 9, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| N232415060-01 | Service bulletin | Engine | Apr 9, 2024 | 2023 Sierra |
| 24-NA-042 | Service bulletin | Engine, Electrical System | Apr 9, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 17-NA-052 | Service bulletin | Wheels, Equipment | Apr 8, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +77 |
| N242439940 | Service bulletin | Electrical System | Apr 4, 2024 | 2024 Hummer EV |
| N232427100-01 | Service bulletin | Structure | Apr 4, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-062 | Service bulletin | Equipment, Electrical System | Apr 2, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| 22-NA-258 | Service bulletin | Electrical System, Power Train | Apr 2, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +3 |
| PIT6144 | Service bulletin | Suspension, Electronic Stability Control | Mar 28, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Yukon +4 |
| PIT6101D | Service bulletin | Equipment | Mar 28, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +3 |
| 23-NA-112 | Service bulletin | Structure, Electrical System | Mar 28, 2024 | 2023 Sierra, 2022 Sierra, 2021 Sierra +12 |
| 10-08-45-001H | Service bulletin | Electrical System | Mar 28, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| PIT6142A | Service bulletin | Equipment, Electrical System | Mar 27, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| PIT6139A | Service bulletin | Electrical System | Mar 27, 2024 | 2024 Hummer EV |
| PIP5964C | Service bulletin | Electrical System | Mar 26, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +10 |
| N232429880 | Service bulletin | Electrical System | Mar 26, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 24-NA-061 | Service bulletin | Power Train, Electrical System | Mar 25, 2024 | 2024 Acadia |
| 18-NA-063 | Service bulletin | Exterior Lighting, Electrical System | Mar 25, 2024 | 2019 Acadia, 2018 Acadia, 2017 Acadia |
| PIT6142 | Service bulletin | Electrical System | Mar 22, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6138 | Service bulletin | Equipment | Mar 22, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIT6137 | Service bulletin | Service Brakes | Mar 22, 2024 | 2023 Sierra 2500HD, 2022 Sierra 2500HD, 2021 Sierra 2500HD +1 |
| PIT6015A | Service bulletin | Electrical System | Mar 22, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| PIT6012A | Service bulletin | Equipment, Service Brakes | Mar 22, 2024 | 2024 Canyon, 2023 Canyon |
| PIP5971 | Service bulletin | Equipment | Mar 22, 2024 | 2024 Sierra 2500HD |
| PIC6486E | Service bulletin | Equipment | Mar 22, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +8 |
| 24-NA-059 | Service bulletin | Power Train, Electrical System | Mar 22, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6140 | Service bulletin | Back Over Prevention | Mar 21, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIT6139 | Service bulletin | Back Over Prevention | Mar 21, 2024 | 2024 Hummer EV |
| PIP5964B | Service bulletin | Electrical System | Mar 21, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +10 |
| 23-NA-103 | Service bulletin | Equipment | Mar 21, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +76 |
| PIT6038A | Service bulletin | Equipment | Mar 20, 2024 | 2024 Canyon, 2023 Canyon |
| N232432960 | Service bulletin | Fuel/Propulsion System | Mar 20, 2024 | 2024 Sierra, 2024 Terrain, 2024 Yukon |
| 24-NA-060 | Service bulletin | Equipment, Electrical System | Mar 20, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +12 |
| PIT6135 | Service bulletin | Back Over Prevention, Equipment | Mar 19, 2024 | 2024 Canyon |
| PIT6105B | Service bulletin | Equipment, Back Over Prevention | Mar 19, 2024 | 2024 Canyon, 2023 Canyon |
| 23-NA-135 | Service bulletin | Power Train, Electrical System | Mar 19, 2024 | 2023 Acadia, 2024 Terrain, 2023 Terrain |
| 17-NA-106 | Service bulletin | Structure, Power Train | Mar 19, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIT5992A | Service bulletin | Equipment, Electrical System | Mar 18, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIT5784C | Service bulletin | Equipment | Mar 18, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| 22-NA-057 | Service bulletin | Equipment, Fuel/Propulsion System | Mar 18, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIT6134 | Service bulletin | Service Brakes | Mar 15, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +5 |
| PIT5774G | Service bulletin | Visibility/Wiper | Mar 15, 2024 | 2022 Yukon, 2021 Yukon |
| 24-NA-054 | Service bulletin | Seats, Steering | Mar 15, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIT6133 | Service bulletin | Structure | Mar 14, 2024 | 2024 Acadia |
| PIT6116A | Service bulletin | Structure | Mar 14, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +2 |
| PIT5954C | Service bulletin | Electrical System | Mar 14, 2024 | 2020 Sierra, 2020 Sierra 2500HD, 2020 Sierra 3500HD |
| PIE0771A | Service bulletin | Engine | Mar 14, 2024 | 2024 Sierra, 2023 Sierra |
| N232430300 | Service bulletin | Electrical System | Mar 14, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 24-NA-044 | Service bulletin | Equipment, Electrical System | Mar 14, 2024 | 2020 Acadia, 2020 Sierra, 2020 Sierra 2500HD +1 |
| PIE0773B | Service bulletin | Seats, Electrical System | Mar 13, 2024 | 2023 Acadia, 2022 Acadia, 2024 Terrain +2 |
| N232409730 | Service bulletin | Power Train | Mar 13, 2024 | 2023 Sierra, 2023 Yukon |
| 24-NA-051 | Service bulletin | Equipment, Suspension | Mar 13, 2024 | 2024 Acadia |
| 19-NA-206 | Service bulletin | Power Train, Electrical System | Mar 13, 2024 | 2019 Acadia, 2018 Acadia, 2017 Acadia |
| PIT6132 | Service bulletin | Visibility/Wiper | Mar 12, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +7 |
| PIE0770A | Service bulletin | Engine | Mar 12, 2024 | 2024 Sierra, 2023 Sierra |
| PIT6131 | Service bulletin | Electronic Stability Control | Mar 11, 2024 | 2023 Canyon |
| PIT6123B | Service bulletin | Service Brakes, Back Over Prevention | Mar 11, 2024 | 2024 Sierra |
| PIT5832L | Service bulletin | Equipment | Mar 11, 2024 | 2023 Canyon, 2024 Hummer EV, 2023 Hummer EV +9 |
| 21-NA-171 | Service bulletin | Electrical System, Equipment | Mar 11, 2024 | 2022 Sierra, 2021 Sierra |
| 07-00-89-037S | Service bulletin | Equipment | Mar 11, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| 11-00-89-005X | Service bulletin | Equipment | Mar 10, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| PIT6129A | Service bulletin | Electrical System | Mar 7, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6101C | Service bulletin | Equipment | Mar 7, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +3 |
| PIT5689G | Service bulletin | Electrical System | Mar 7, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +13 |
| PIP5964A | Service bulletin | Electrical System | Mar 7, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +10 |
| PIT6101B | Service bulletin | Equipment | Mar 6, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +3 |
| PIT5918A | Service bulletin | Equipment | Mar 6, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +5 |
| PIP5865B | Service bulletin | Parking Brake | Mar 6, 2024 | 2023 Sierra, 2022 Sierra, 2024 Sierra 3500HD |
| PIP5843D | Service bulletin | Exterior Lighting | Mar 6, 2024 | 2024 Canyon, 2024 Sierra, 2023 Sierra +4 |
| PIP5863B | Service bulletin | Exterior Lighting, Fuel/Propulsion System | Mar 5, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +10 |
| PIT6065E | Service bulletin | Electrical System | Mar 4, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT5448J | Service bulletin | Equipment | Mar 4, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +17 |
| PIP5596A | Service bulletin | Fuel/Propulsion System, Service Brakes | Mar 4, 2024 | 2022 Acadia, 2021 Acadia, 2020 Acadia +39 |
| 24-NA-016 | Service bulletin | Electrical System, Service Brakes | Mar 4, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6129 | Service bulletin | Electrical System | Mar 1, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT6124B | Service bulletin | Equipment | Mar 1, 2024 | 2023 Savana |
| PIE0782 | Service bulletin | Engine | Mar 1, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +2 |
| PIE0781 | Service bulletin | Electrical System, Engine | Mar 1, 2024 | 2024 Canyon, 2023 Canyon, 2024 Sierra +1 |
| PIT6055B | Service bulletin | Electrical System | Feb 29, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIP5965 | Service bulletin | Electrical System | Feb 29, 2024 | 2024 Yukon, 2023 Yukon |
| 23-NA-008 | Service bulletin | Electrical System, Engine | Feb 29, 2024 | 2022 Canyon, 2022 Savana |
| PIT5981A | Service bulletin | Suspension | Feb 28, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| N232433290 | Service bulletin | Engine | Feb 28, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| 19-NA-037 | Service bulletin | Engine, Service Brakes | Feb 28, 2024 | 2024 Savana, 2023 Savana, 2022 Savana +4 |
| PIT6101A | Service bulletin | Equipment | Feb 27, 2024 | 2023 Acadia, 2024 Sierra, 2023 Sierra +3 |
| PIT6044G | Service bulletin | Electrical System | Feb 27, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIP5968 | Service bulletin | Power Train | Feb 27, 2024 | 2023 Canyon, 2022 Canyon, 2021 Canyon +23 |
| PIP5963 | Service bulletin | Engine | Feb 27, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT6076A | Service bulletin | Electrical System, Equipment | Feb 26, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| N242437620 | Service bulletin | Communication, Equipment | Feb 26, 2024 | 2024 Canyon |
| 24-NA-036 | Service bulletin | Structure, Equipment | Feb 26, 2024 | 2024 Terrain |
| 23-NA-169 | Service bulletin | Equipment, Electrical System | Feb 26, 2024 | 2024 Canyon, 2023 Canyon, 2024 Sierra +8 |
| 23-NA-043 | Service bulletin | Engine | Feb 26, 2024 | 2021 Sierra, 2020 Sierra, 2021 Yukon |
| PIT6103A | Service bulletin | Electrical System, Visibility/Wiper | Feb 23, 2024 | 2023 Canyon |
| PIT5689F | Service bulletin | Engine | Feb 23, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +13 |
| PIP5966 | Service bulletin | Power Train | Feb 23, 2024 | 2023 Canyon, 2022 Canyon, 2021 Canyon +23 |
| PIP5964 | Service bulletin | Electrical System | Feb 23, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +11 |
| 24-NA-020 | Service bulletin | Engine, Electrical System | Feb 23, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +16 |
| 24-NA-002 | Service bulletin | Power Train | Feb 23, 2024 | 2024 Canyon, 2023 Canyon |
| PIT6128 | Service bulletin | Forward Collision Avoidance, Back Over Prevention | Feb 21, 2024 | 2023 Yukon |
| PIT5888C | Service bulletin | Suspension | Feb 21, 2024 | 2022 Yukon, 2021 Yukon |
| PIT5744D | Service bulletin | Electrical System, Lane Departure | Feb 21, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +13 |
| PIT5551N | Service bulletin | Forward Collision Avoidance | Feb 21, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +56 |
| PIT4322P | Service bulletin | Electronic Stability Control | Feb 21, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +33 |
| PIP5962 | Service bulletin | Power Train | Feb 21, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |
| PIT6065D | Service bulletin | Electrical System | Feb 20, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| N232419720 | Service bulletin | Fuel/Propulsion System, Engine | Feb 20, 2024 | 2022 Sierra, 2023 Yukon, 2022 Yukon |
| N232415060 | Service bulletin | Engine | Feb 20, 2024 | 2023 Sierra |
| N222393100 | Service bulletin | Seat Belts | Feb 20, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +2 |
| 22-NA-114 | Service bulletin | Equipment, Electrical System | Feb 20, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Sierra +5 |
| PIT6054B | Service bulletin | Structure | Feb 19, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| PIE0774A | Service bulletin | Electrical System, Equipment | Feb 16, 2024 | 2024 Yukon, 2023 Yukon |
| PIT6107C | Service bulletin | Equipment | Feb 15, 2024 | 2022 Sierra |
| PIE0777 | Service bulletin | Seats, Latches/Locks/Linkages | Feb 14, 2024 | 2024 Yukon, 2023 Yukon |
| 20-NA-018 | Service bulletin | Electrical System, Equipment | Feb 14, 2024 | 2024 Acadia, 2023 Canyon, 2024 Hummer EV +11 |
| PIT6123A | Service bulletin | Electrical System | Feb 12, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIC6486D | Service bulletin | Equipment | Feb 12, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +12 |
| 23-NA-208 | Service bulletin | Power Train | Feb 12, 2024 | 2023 Canyon |
| PIT6124A | Service bulletin | Equipment | Feb 9, 2024 | 2023 Savana |
| 24-NA-030 | Service bulletin | Electrical System, Vehicle Speed Control | Feb 9, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Sierra +4 |
| PIT5895C | Service bulletin | Structure | Feb 8, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| 19-NA-044 | Service bulletin | Engine, Fuel/Propulsion System | Feb 7, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +72 |
| PIT5479F | Service bulletin | Service Brakes | Feb 6, 2024 | 2024 Canyon, 2023 Canyon, 2022 Canyon +42 |
| N232428780 | Service bulletin | Engine, Power Train | Feb 5, 2024 | 2021 Savana, 2017 Savana |
| PIT6123 | Service bulletin | Electrical System | Feb 2, 2024 | 2024 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIT4506G | Service bulletin | Tires | Feb 2, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +15 |
| 24-NA-024 | Service bulletin | Equipment, Electrical System | Feb 2, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| 16-NA-338 | Service bulletin | Power Train, Engine | Feb 2, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +72 |
| PIT6122 | Service bulletin | Equipment | Jan 31, 2024 | 2020 Acadia, 2019 Acadia, 2018 Acadia +37 |
| PIT6097C | Service bulletin | Equipment | Jan 31, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +27 |
| 23-NA-070 | Service bulletin | Electrical System, Equipment | Jan 31, 2024 | 2023 Sierra, 2022 Sierra, 2023 Yukon +1 |
| PIT6120 | Service bulletin | Visibility/Wiper | Jan 30, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +2 |
| PIT6119 | Service bulletin | Structure | Jan 30, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +15 |
| PIT5734G | Service bulletin | Equipment, Visibility/Wiper | Jan 30, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +6 |
| PIT5702E | Service bulletin | Electrical System | Jan 30, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +9 |
| 23-NA-055 | Service bulletin | Electrical System, Equipment | Jan 30, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +41 |
| PIT6118 | Service bulletin | Equipment | Jan 29, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2024 Sierra +7 |
| PIP5810B | Service bulletin | Power Train | Jan 29, 2024 | 2024 Sierra 2500HD, 2023 Sierra 2500HD, 2022 Sierra 2500HD +7 |
| N232430460 | Service bulletin | Engine | Jan 29, 2024 | 2020 Sierra |
| 23-NA-189 | Service bulletin | Equipment, Electrical System | Jan 29, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +41 |
| 21-NA-122 | Service bulletin | Steering, Engine | Jan 29, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +2 |
| 23-NA-214 | Service bulletin | Engine | Jan 26, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +10 |
| PIE0753C | Service bulletin | Equipment, Electrical System | Jan 25, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| N232430470 | Service bulletin | Engine | Jan 25, 2024 | 2020 Canyon |
| 21-NA-132 | Service bulletin | Electrical System, Engine | Jan 25, 2024 | 2022 Sierra, 2021 Sierra, 2022 Yukon +1 |
| PIT6116 | Service bulletin | Structure | Jan 24, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +2 |
| PIE0747E | Service bulletin | Visibility/Wiper, Equipment | Jan 24, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra |
| PIT6115 | Service bulletin | Steering | Jan 23, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +2 |
| PIP5959 | Service bulletin | Power Train | Jan 23, 2024 | 2022 Sierra |
| 18-NA-035 | Service bulletin | Power Train, Engine | Jan 23, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +8 |
| PIT6114 | Service bulletin | Wheels | Jan 22, 2024 | 2024 Sierra 3500HD |
| N232425850 | Service bulletin | Fuel/Propulsion System, Electrical System | Jan 22, 2024 | 2023 Savana, 2024 Sierra |
| 22-NA-112 | Service bulletin | Engine, Electrical System | Jan 19, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +6 |
| PIT6113 | Service bulletin | Electrical System | Jan 18, 2024 | 2023 Canyon |
| PI0281K | Service bulletin | Structure | Jan 18, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| 23-NA-046 | Service bulletin | Structure, Electrical System | Jan 18, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| 22-NA-246 | Service bulletin | Power Train | Jan 18, 2024 | 2022 Canyon, 2021 Canyon, 2020 Canyon +20 |
| 22-NA-166 | Service bulletin | Structure | Jan 18, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIT6105A | Service bulletin | Equipment | Jan 17, 2024 | 2023 Canyon |
| PI1354J | Service bulletin | Seats, Wheels | Jan 17, 2024 | 2019 Sierra, 2018 Sierra, 2017 Sierra +1 |
| N232413380 | Service bulletin | Visibility/Wiper, Engine | Jan 17, 2024 | 2023 Acadia |
| 24-NA-008 | Service bulletin | Equipment, Power Train | Jan 17, 2024 | 2022 Canyon, 2021 Canyon, 2020 Canyon +4 |
| 18-NA-162 | Service bulletin | Equipment, Visibility/Wiper | Jan 17, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIE0773A | Service bulletin | Electrical System, Equipment | Jan 16, 2024 | 2023 Acadia, 2022 Acadia, 2024 Terrain +2 |
| 18-NA-176 | Service bulletin | Back Over Prevention, Electrical System | Jan 16, 2024 | 2024 Terrain, 2023 Terrain, 2022 Terrain +4 |
| PIT6107B | Service bulletin | Equipment | Jan 15, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +4 |
| PIT6084A | Service bulletin | Equipment | Jan 12, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +12 |
| PI1394B | Service bulletin | Engine, Power Train | Jan 12, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +72 |
| 02-08-42-001J | Service bulletin | Exterior Lighting | Jan 12, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| PIT6110 | Service bulletin | Electrical System | Jan 11, 2024 | 2024 Yukon, 2023 Yukon, 2022 Yukon +1 |
| PIT6074A | Service bulletin | Electrical System | Jan 11, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIE0774 | Service bulletin | Electrical System, Equipment | Jan 11, 2024 | 2024 Yukon, 2023 Yukon |
| 22-NA-240 | Service bulletin | Engine | Jan 11, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +14 |
| PIT6109 | Service bulletin | Structure | Jan 10, 2024 | 2024 Sierra, 2023 Sierra, 2024 Sierra 2500HD +3 |
| PIT6108 | Service bulletin | Electrical System, Service Brakes | Jan 10, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT5161K | Service bulletin | Fuel/Propulsion System | Jan 10, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +24 |
| N232409842 | Service bulletin | Fuel/Propulsion System | Jan 10, 2024 | 2023 Sierra |
| PIT6107A | Service bulletin | Equipment | Jan 9, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +4 |
| PIT6028A | Service bulletin | Electrical System | Jan 9, 2024 | 2023 Sierra |
| PIT5828C | Service bulletin | Electrical System | Jan 9, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +17 |
| PIT5743D | Service bulletin | Electrical System | Jan 9, 2024 | 2022 Sierra, 2021 Sierra, 2020 Sierra +9 |
| PIT5733D | Service bulletin | Exterior Lighting | Jan 9, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +13 |
| N232425820 | Service bulletin | Electrical System | Jan 9, 2024 | 2024 Canyon |
| PIP5824C | Service bulletin | Fuel/Propulsion System | Jan 8, 2024 | 2023 Acadia, 2022 Acadia, 2021 Acadia +2 |
| PI0592I | Service bulletin | Electrical System | Jan 8, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +75 |
| N232415790 | Service bulletin | Electrical System | Jan 8, 2024 | 2023 Sierra, 2024 Sierra 2500HD, 2024 Sierra 3500HD +1 |
| PIT6107 | Service bulletin | Equipment | Jan 5, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +1 |
| PIP5911A | Service bulletin | Electrical System | Jan 5, 2024 | 2024 Sierra 2500HD, 2024 Sierra 3500HD |
| PIP5841D | Service bulletin | Power Train | Jan 5, 2024 | 2024 Acadia, 2023 Acadia, 2022 Acadia +2 |
| 23-NA-127 | Service bulletin | Seats | Jan 5, 2024 | 2023 Yukon, 2022 Yukon, 2021 Yukon |
| PIT6105 | Service bulletin | Equipment | Jan 4, 2024 | 2023 Canyon |
| PIT6047C | Service bulletin | Equipment, Electrical System | Jan 4, 2024 | 2023 Canyon |
| N232427950 | Service bulletin | Fuel/Propulsion System | Jan 4, 2024 | 2023 Canyon, 2023 Sierra |
| 21-NA-195 | Service bulletin | Service Brakes, Electrical System | Jan 4, 2024 | 2021 Savana, 2020 Savana |
| PIT6065C | Service bulletin | Electrical System | Jan 2, 2024 | 2024 Hummer EV, 2023 Hummer EV, 2022 Hummer EV Pickup |
| PIT5687A | Service bulletin | Engine | Jan 2, 2024 | 2024 Sierra, 2023 Sierra, 2022 Sierra +3 |