Manufacturer communications · 2026
Chevrolet bulletins dated 2026
214 communications, newest first. All Chevrolet bulletins →
Bulletins
| Number | Kind | Component | Dated | Model years |
|---|---|---|---|---|
| N262570770-01 | Service campaign | Engine | Sep 18, 2026 | 2025 Blazer, 2024 Blazer |
| N262567720 | Service campaign | Power Train | Sep 17, 2026 | 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| N262558690 | Service campaign | Fuel/Propulsion System | Sep 16, 2026 | 2022 Blazer, 2022 Camaro, 2023 Colorado +6 |
| N262570770 | Service campaign | Engine | Sep 15, 2026 | 2025 Blazer, 2024 Blazer |
| N242452131-02 | Emissions | Fuel/Propulsion System | Sep 11, 2026 | 2024 Colorado, 2023 Colorado, 2024 Silverado +1 |
| PIT5801F | Service bulletin | Unknown Or Other | Sep 10, 2026 | 2026 Suburban, 2025 Suburban, 2024 Suburban +9 |
| PIC6629F | Service bulletin | Unknown Or Other | Sep 10, 2026 | 2027 Bolt, 2026 Colorado, 2025 Colorado +38 |
| N262566020 | Service campaign | Structure | Sep 10, 2026 | 2027 Bolt |
| N232428992 | Emissions | Unknown Or Other | Sep 10, 2026 | 2024 Silverado |
| PIT5995B | Service bulletin | Unknown Or Other | Sep 4, 2026 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +6 |
| PIP4902W | Service bulletin | Unknown Or Other | Sep 4, 2026 | 2027 Blazer, 2026 Blazer, 2025 Blazer +318 |
| PIT6545 | Service bulletin | Unknown Or Other | Sep 3, 2026 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| PIT6543 | Service bulletin | Unknown Or Other | Sep 3, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +8 |
| PIT6542A | Service bulletin | Unknown Or Other | Sep 3, 2026 | 2027 Equinox, 2026 Equinox, 2025 Equinox |
| PIC6605C | Service bulletin | Unknown Or Other | Sep 3, 2026 | 2027 Corvette, 2026 Corvette, 2025 Corvette |
| PIT6544 | Service bulletin | Unknown Or Other | Sep 2, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +18 |
| PIT6539 | Service bulletin | Unknown Or Other | Sep 2, 2026 | 2026 Suburban, 2026 Tahoe |
| PIC6583J | Service bulletin | Unknown Or Other | Sep 2, 2026 | 2025 Silverado |
| N262558690-01 | Service campaign | Fuel/Propulsion System | Sep 1, 2026 | 2022 Blazer, 2022 Camaro, 2023 Colorado +7 |
| N262558680 | Service campaign | Seats, Unknown Or Other | Sep 1, 2026 | 2024 Traverse |
| N252541251-02 | Service campaign | Unknown Or Other | Sep 1, 2026 | 2024 Corvette, 2023 Corvette, 2022 Corvette +2 |
| N242484750-02 | Warranty extension | Engine | Sep 1, 2026 | 2022 Trailblazer |
| PIT6542 | Service bulletin | Unknown Or Other | Aug 31, 2026 | 2027 Equinox, 2026 Equinox, 2025 Equinox |
| PIT6540 | Service bulletin | Unknown Or Other | Aug 31, 2026 | 2025 Suburban, 2025 Tahoe |
| PIT6538A | Service bulletin | Unknown Or Other | Aug 31, 2026 | 2027 Traverse, 2026 Traverse, 2025 Traverse +1 |
| PIT6533B | Service bulletin | Unknown Or Other | Aug 28, 2026 | 2027 Bolt, 2026 Silverado, 2026 Suburban +3 |
| PIT6196A | Service bulletin | Unknown Or Other | Aug 28, 2026 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +3 |
| N262572131 | Service campaign | Engine | Aug 28, 2026 | 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| PIT6541 | Service bulletin | Unknown Or Other | Aug 27, 2026 | 2027 Blazer, 2026 Blazer, 2025 Blazer +67 |
| PIT6529B | Service bulletin | Unknown Or Other | Aug 27, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +5 |
| PIT6503E | Service bulletin | Unknown Or Other | Aug 27, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +18 |
| PIT6455C | Service bulletin | Unknown Or Other | Aug 27, 2026 | 2026 Silverado, 2025 Silverado |
| PIP6127A | Service bulletin | Unknown Or Other | Aug 27, 2026 | 2026 Colorado, 2025 Colorado, 2024 Colorado +13 |
| 663.20 | Over-the-air update | Unknown Or Other | Aug 27, 2026 | 2025 Colorado, 2024 Colorado, 2026 Silverado +4 |
| PIT5869B | Service bulletin | Unknown Or Other | Aug 26, 2026 | 2026 Suburban, 2025 Suburban, 2024 Suburban +9 |
| N252516700-01 | Service campaign | Unknown Or Other | Aug 26, 2026 | 2026 Silverado, 2025 Silverado, 2019 Silverado |
| AUTOMATION (ASSISTED DRIVING) 2026.2 | Over-the-air update | Unknown Or Other | Aug 25, 2026 | 2025 Blazer, 2024 Blazer |
| PIT6538 | Service bulletin | Unknown Or Other | Aug 24, 2026 | 2027 Traverse, 2026 Traverse, 2025 Traverse +1 |
| PIT6517E | Service bulletin | Unknown Or Other | Aug 24, 2026 | 2026 Colorado, 2025 Colorado, 2024 Colorado +2 |
| ASSISTED DRIVING & CABIN 2026.2 | Over-the-air update | Unknown Or Other | Aug 24, 2026 | 2026 Blazer, 2025 Blazer |
| PIT6503D | Service bulletin | Unknown Or Other | Aug 21, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +18 |
| PIC6551C | Service bulletin | Unknown Or Other | Aug 20, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +144 |
| N252502891-01 | Service campaign | Power Train | Aug 20, 2026 | 2024 Blazer, 2024 Silverado, 2025 Brightdrop 600 |
| N252502890-01 | Service campaign | Power Train | Aug 20, 2026 | 2024 Blazer, 2025 Equinox, 2024 Equinox |
| N242471460-01 | Service campaign | Power Train | Aug 20, 2026 | 2024 Blazer, 2024 Equinox |
| PIC6662 | Service bulletin | Unknown Or Other | Aug 19, 2026 | 2027 Corvette, 2026 Corvette, 2025 Corvette +2 |
| PIC6660 | Service bulletin | Unknown Or Other | Aug 19, 2026 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +3 |
| PIC6659 | Service bulletin | Unknown Or Other | Aug 19, 2026 | 2022 Trax, 2021 Trax, 2020 Trax +1 |
| N252530430-01 | Service campaign | Unknown Or Other | Aug 19, 2026 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +3 |
| 662.30 | Over-the-air update | Unknown Or Other | Aug 19, 2026 | 2026 Corvette, 2025 Corvette, 2024 Corvette +10 |
| PIT6534 | Service bulletin | Unknown Or Other | Aug 18, 2026 | 2027 Blazer, 2027 Corvette, 2027 Equinox +1 |
| PIC6656A | Service bulletin | Unknown Or Other | Aug 18, 2026 | 2027 Equinox, 2026 Equinox, 2025 Equinox +1 |
| PIC6654A | Service bulletin | Unknown Or Other | Aug 18, 2026 | 2027 Corvette |
| N26-254904 | Over-the-air update | Unknown Or Other | Aug 18, 2026 | 2026 Silverado |
| TELEMATICS 2026.3 | Over-the-air update | Unknown Or Other | Aug 15, 2026 | 2027 Bolt |
| DRIVING & ENERGY 2026.3 | Over-the-air update | Unknown Or Other | Aug 15, 2026 | 2027 Bolt |
| PIT6537 | Service bulletin | Unknown Or Other | Aug 14, 2026 | 2027 Equinox, 2026 Equinox, 2025 Equinox |
| PIT6533A | Service bulletin | Unknown Or Other | Aug 14, 2026 | 2027 Bolt, 2026 Silverado, 2026 Suburban +3 |
| INFOTAINMENT 2026.3 | Over-the-air update | Unknown Or Other | Aug 14, 2026 | 2027 Bolt |
| N252501791 | Service campaign | Unknown Or Other | Aug 13, 2026 | 2023 Colorado |
| PIT6503C | Service bulletin | Unknown Or Other | Aug 12, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +18 |
| PIC6600A | Service bulletin | Unknown Or Other | Aug 12, 2026 | 2026 Trax, 2025 Trax, 2024 Trax |
| 662.31 | Over-the-air update | Unknown Or Other | Aug 12, 2026 | 2025 Silverado |
| PIP6116A | Service bulletin | Unknown Or Other | Aug 11, 2026 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +3 |
| 662.40 | Over-the-air update | Unknown Or Other | Aug 11, 2026 | 2026 Equinox, 2026 Silverado, 2025 Silverado +1 |
| PIT6535 | Service bulletin | Unknown Or Other | Aug 10, 2026 | 2026 Colorado |
| 662.20 | Over-the-air update | Unknown Or Other | Aug 8, 2026 | 2027 Bolt, 2026 Corvette, 2024 Corvette +7 |
| PIT6031B | Service bulletin | Unknown Or Other | Aug 7, 2026 | 2022 Silverado, 2021 Silverado, 2020 Silverado +9 |
| N252541251-01 | Service campaign | Unknown Or Other | Aug 5, 2026 | 2024 Corvette, 2021 Corvette, 2020 Corvette |
| 662.21 | Over-the-air update | Unknown Or Other | Aug 5, 2026 | 2026 Colorado, 2026 Silverado, 2025 Silverado +1 |
| N262568830 | Service campaign | Engine | Aug 4, 2026 | 2026 Blazer, 2026 Colorado, 2026 Silverado |
| N242452130-01 | Service campaign | Fuel/Propulsion System | Aug 4, 2026 | 2024 Colorado, 2023 Colorado, 2024 Silverado +1 |
| PIT6512A | Service bulletin | Unknown Or Other | Aug 3, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +19 |
| INFOTAINMENT 2026.2 | Over-the-air update | Unknown Or Other | Aug 3, 2026 | 2026 Blazer |
| 19.00 | Over-the-air update | Unknown Or Other | Aug 1, 2026 | 2026 Equinox |
| PIP6127 | Service bulletin | Unknown Or Other | Jul 31, 2026 | 2026 Colorado, 2025 Colorado, 2024 Colorado +5 |
| PIC6589B | Service bulletin | Unknown Or Other | Jul 31, 2026 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +3 |
| 663.30 | Over-the-air update | Unknown Or Other | Jul 31, 2026 | 2026 Colorado |
| PIT6517C | Service bulletin | Unknown Or Other | Jul 30, 2026 | 2026 Blazer, 2026 Colorado, 2025 Colorado +11 |
| PIT6110K | Service bulletin | Unknown Or Other | Jul 28, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +34 |
| N26-F163BX | Over-the-air update | Unknown Or Other | Jul 28, 2026 | 2025 Silverado, 2025 Silverado 2500HD |
| N252519860 | Service campaign | Unknown Or Other | Jul 28, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +1 |
| PIT6446A | Service bulletin | Unknown Or Other | Jul 24, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +20 |
| PIP6060A | Service bulletin | Unknown Or Other | Jul 24, 2026 | 2026 Colorado, 2025 Colorado, 2024 Colorado +13 |
| PIT5680B | Service bulletin | Unknown Or Other | Jul 23, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +24 |
| PIC6548B | Service bulletin | Unknown Or Other | Jul 23, 2026 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +6 |
| N252528241-01 | Service campaign | Service Brakes | Jul 23, 2026 | 2026 Equinox, 2025 Equinox |
| 662.11 | Over-the-air update | Unknown Or Other | Jul 23, 2026 | 2026 Silverado 2500HD, 2025 Traverse, 2024 Traverse |
| 662.10 | Over-the-air update | Unknown Or Other | Jul 23, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +16 |
| PIT5509N | Service bulletin | Unknown Or Other | Jul 21, 2026 | 2026 Colorado, 2025 Colorado, 2024 Colorado +63 |
| PIT5099J | Service bulletin | Unknown Or Other | Jul 21, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +312 |
| N262559000-01 | Service campaign | Fuel/Propulsion System | Jul 21, 2026 | 2027 Bolt |
| PIT6473F | Service bulletin | Unknown Or Other | Jul 17, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +19 |
| PIP6089B | Service bulletin | Unknown Or Other | Jul 17, 2026 | 2027 Corvette, 2026 Corvette, 2025 Corvette +2 |
| N26-F172AJ | Over-the-air update | Unknown Or Other | Jul 16, 2026 | 2026 Equinox |
| 663.10 | Over-the-air update | Unknown Or Other | Jul 16, 2026 | 2026 Suburban, 2025 Suburban, 2026 Tahoe +1 |
| 662.50 | Over-the-air update | Unknown Or Other | Jul 16, 2026 | 2026 Equinox |
| N262546590-01 | Service campaign | Engine | Jul 15, 2026 | 2026 Colorado, 2025 Colorado, 2024 Colorado +4 |
| N252541251 | Service campaign | Exterior Lighting | Jul 15, 2026 | 2024 Corvette |
| 662.12 | Over-the-air update | Unknown Or Other | Jul 14, 2026 | 2024 Traverse |
| PIT6006D | Service bulletin | Unknown Or Other | Jul 9, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +8 |
| N25-252332 | Over-the-air update | Unknown Or Other | Jul 9, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +17 |
| PIP6124 | Service bulletin | Unknown Or Other | Jul 7, 2026 | 2027 Corvette |
| PIT6532 | Service bulletin | Unknown Or Other | Jul 6, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +19 |
| N262560510 | Service campaign | Steering | Jun 25, 2026 | 2027 Bolt |
| PIT5544J | Service bulletin | Unknown Or Other | Jun 24, 2026 | 2026 Silverado 2500HD, 2025 Silverado 2500HD, 2024 Silverado 2500HD +19 |
| PIT5966F | Service bulletin | Unknown Or Other | Jun 23, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +144 |
| PIP6125 | Service bulletin | Unknown Or Other | Jun 23, 2026 | 2024 Equinox, 2023 Equinox |
| 661.30 | Over-the-air update | Unknown Or Other | Jun 18, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +11 |
| N262556930-01 | Service campaign | Power Train | Jun 17, 2026 | 2026 Colorado |
| 663.11 | Over-the-air update | Unknown Or Other | Jun 17, 2026 | 2023 Colorado |
| N262559000 | Service campaign | Fuel/Propulsion System | Jun 11, 2026 | 2027 Bolt |
| N262560680 | Service campaign | Power Train | Jun 10, 2026 | 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| N262560540 | Service campaign | Suspension | Jun 10, 2026 | 2027 Bolt |
| 661.42 | Over-the-air update | Unknown Or Other | Jun 10, 2026 | 2024 Silverado |
| 661.20 | Over-the-air update | Unknown Or Other | Jun 10, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +14 |
| 661.51 | Over-the-air update | Unknown Or Other | Jun 9, 2026 | 2024 Silverado |
| 661.10 | Over-the-air update | Unknown Or Other | Jun 9, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +22 |
| PIP6033B | Service bulletin | Unknown Or Other | Jun 8, 2026 | 2027 Equinox, 2026 Equinox, 2025 Equinox +10 |
| 661.50 | Over-the-air update | Unknown Or Other | Jun 8, 2026 | 2024 Blazer, 2026 Suburban, 2026 Tahoe |
| PIP6031E | Service bulletin | Unknown Or Other | Jun 5, 2026 | 2027 Equinox, 2026 Equinox, 2025 Equinox +10 |
| N252528480 | Service campaign | Unknown Or Other | Jun 4, 2026 | 2024 Silverado |
| PIT6503A | Service bulletin | Unknown Or Other | Jun 3, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +61 |
| PIP6032C | Service bulletin | Unknown Or Other | Jun 3, 2026 | 2027 Equinox, 2026 Equinox, 2025 Equinox +14 |
| N262558300 | Service campaign | Unknown Or Other | Jun 3, 2026 | 2026 Silverado |
| 661.60 | Over-the-air update | Unknown Or Other | Jun 3, 2026 | 2026 Suburban, 2026 Tahoe |
| N262556930 | Service campaign | Power Train | Jun 2, 2026 | 2026 Colorado |
| 661.40 | Over-the-air update | Unknown Or Other | Jun 2, 2026 | 2026 Blazer, 2024 Blazer, 2026 Equinox +3 |
| 654.40 | Over-the-air update | Unknown Or Other | Jun 2, 2026 | 2026 Equinox, 2025 Equinox, 2025 Suburban +1 |
| N242468490-02 | Service campaign | Electrical System | May 28, 2026 | 2025 Blazer, 2024 Blazer |
| PIT6519 | Service bulletin | Unknown Or Other | May 27, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +118 |
| N262547330 | Service campaign | Unknown Or Other | May 27, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +12 |
| PIT6215C | Service bulletin | Unknown Or Other | May 21, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +25 |
| PIP6114 | Service bulletin | Unknown Or Other | May 19, 2026 | 2019 Silverado, 2019 Silverado 2500HD, 2019 Silverado 3500HD |
| PIP6113 | Service bulletin | Unknown Or Other | May 19, 2026 | 2017 Equinox, 2016 Equinox, 2017 Malibu +1 |
| PIT5509M | Service bulletin | Unknown Or Other | May 14, 2026 | 2026 Colorado, 2025 Colorado, 2024 Colorado +59 |
| PIC6540J | Service bulletin | Unknown Or Other | May 14, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +87 |
| N25-250552 | Over-the-air update | Unknown Or Other | May 12, 2026 | 2025 Blazer, 2024 Blazer, 2023 Blazer +38 |
| PIT6513 | Service bulletin | Unknown Or Other | May 11, 2026 | 2023 Corvette, 2022 Corvette, 2026 Silverado +17 |
| PIC6551B | Service bulletin | Unknown Or Other | May 11, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +144 |
| PIC6423A | Service bulletin | Unknown Or Other | May 11, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +144 |
| N262552620 | Service campaign | Engine | May 11, 2026 | 2021 Suburban, 2021 Tahoe |
| 661.41 | Over-the-air update | Unknown Or Other | May 11, 2026 | 2024 Silverado |
| N262547330-01 | Service campaign | Unknown Or Other | May 8, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +12 |
| 661.22 | Over-the-air update | Unknown Or Other | May 5, 2026 | 2026 Corvette, 2025 Suburban, 2025 Tahoe |
| PIT6247B | Service bulletin | Unknown Or Other | May 4, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +29 |
| N252541130 | Service campaign | Unknown Or Other | May 4, 2026 | 2026 Traverse |
| N252537031 | Service campaign | Unknown Or Other | May 4, 2026 | 2026 Silverado 2500HD, 2025 Silverado 2500HD, 2024 Silverado 2500HD +3 |
| N252528241 | Service campaign | Service Brakes | May 4, 2026 | 2026 Equinox, 2025 Equinox |
| .30 | Over-the-air update | Unknown Or Other | May 1, 2026 | 2026 Equinox |
| 661.21 | Over-the-air update | Unknown Or Other | Apr 28, 2026 | 2024 Colorado, 2026 Corvette, 2025 Suburban +1 |
| N262548050 | Service campaign | Engine | Apr 24, 2026 | 2019 Silverado |
| N262547670 | Service campaign | Structure | Apr 20, 2026 | 2026 Silverado |
| N252536751-01 | Warranty extension | Wheels | Apr 20, 2026 | 2022 Suburban, 2022 Tahoe |
| N252536751 | Warranty extension | Wheels | Apr 17, 2026 | 2022 Suburban, 2022 Tahoe |
| N262546010 | Service campaign | Unknown Or Other | Apr 15, 2026 | 2026 Express |
| N262546840 | Service campaign | Unknown Or Other | Apr 13, 2026 | 2026 Silverado, 2025 Silverado |
| N252521591 | Service campaign | Unknown Or Other | Apr 10, 2026 | 2026 Suburban, 2026 Tahoe |
| PIT5812G | Service bulletin | Unknown Or Other | Apr 8, 2026 | 2026 Equinox, 2025 Equinox, 2024 Equinox +3 |
| PIT3271Q | Service bulletin | Unknown Or Other | Apr 1, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +313 |
| N262546590 | Service campaign | Fuel/Propulsion System | Apr 1, 2026 | 2026 Traverse, 2025 Traverse, 2024 Traverse |
| N252529080 | Service campaign | Electrical System | Apr 1, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +2 |
| PIP5781D | Service bulletin | Unknown Or Other | Mar 31, 2026 | 2026 Corvette, 2025 Corvette, 2024 Corvette +4 |
| PIT5992B | Service bulletin | Unknown Or Other | Mar 27, 2026 | 2024 Equinox, 2023 Equinox, 2022 Equinox +4 |
| N252528650-01 | Service campaign | Unknown Or Other | Mar 26, 2026 | 2026 Equinox, 2025 Equinox, 2024 Equinox |
| N262544790 | Service campaign | Engine | Mar 16, 2026 | 2025 LOW CAB Forward 3500, 2025 LOW CAB Forward 4500, 2025 LOW CAB Forward 5500 +2 |
| N252542200 | Service campaign | Fuel/Propulsion System | Mar 16, 2026 | 2026 Traverse |
| 654.11 | Over-the-air update | Unknown Or Other | Mar 14, 2026 | 2025 Colorado, 2026 Traverse |
| 653.22 | Over-the-air update | Unknown Or Other | Mar 14, 2026 | 2025 Traverse, 2024 Traverse |
| 653.21 | Over-the-air update | Unknown Or Other | Mar 14, 2026 | 2025 Traverse, 2024 Traverse, 2025 Brightdrop 400 +1 |
| PIP6104 | Service bulletin | Unknown Or Other | Mar 9, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +313 |
| PIP4902V | Service bulletin | Unknown Or Other | Mar 9, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +313 |
| 18.50 | Over-the-air update | Unknown Or Other | Mar 9, 2026 | 2026 Equinox |
| N252541510 | Service campaign | Unknown Or Other | Mar 3, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +19 |
| PIT6425D | Service bulletin | Unknown Or Other | Mar 2, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +208 |
| 654.20 | Over-the-air update | Unknown Or Other | Feb 27, 2026 | 2026 Blazer, 2026 Equinox, 2025 Equinox +12 |
| N252536390 | Service campaign | Unknown Or Other | Feb 25, 2026 | 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| 654.70 | Over-the-air update | Unknown Or Other | Feb 25, 2026 | 2025 Suburban, 2025 Tahoe |
| 661.11 | Over-the-air update | Unknown Or Other | Feb 24, 2026 | 2024 Colorado |
| N252540910 | Service campaign | Engine | Feb 19, 2026 | 2026 Traverse |
| N252516900-01 | Emissions | Fuel/Propulsion System | Feb 19, 2026 | 2021 Blazer, 2021 Camaro, 2022 Equinox +3 |
| 654.10 | Over-the-air update | Unknown Or Other | Feb 17, 2026 | 2026 Blazer, 2025 Equinox, 2024 Equinox +7 |
| N252536560 | Service campaign | Unknown Or Other | Feb 16, 2026 | 2026 Silverado, 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| N252541790 | Service campaign | Visibility/Wiper | Feb 12, 2026 | 2026 Colorado |
| N252541390 | Service campaign | Unknown Or Other | Feb 12, 2026 | 2026 Corvette |
| N252538330 | Service campaign | Unknown Or Other | Feb 11, 2026 | 2025 Express |
| N252528650 | Service campaign | Unknown Or Other | Feb 11, 2026 | 2025 Equinox, 2024 Equinox |
| N252521591-03 | Service campaign | Unknown Or Other | Feb 11, 2026 | 2026 Equinox, 2026 Silverado, 2026 Suburban +1 |
| N252537030 | Service campaign | Unknown Or Other | Feb 10, 2026 | 2026 Silverado 2500HD, 2025 Silverado 2500HD, 2024 Silverado 2500HD +3 |
| N252521591-02 | Service campaign | Unknown Or Other | Feb 10, 2026 | 2026 Equinox, 2026 Silverado, 2026 Suburban +1 |
| N262544850 | Service campaign | Fuel/Propulsion System | Feb 9, 2026 | 2026 Traverse |
| A252528630-03 | Service campaign | Fuel/Propulsion System | Feb 9, 2026 | 2026 Trax, 2025 Trax |
| PIT6483 | Service bulletin | Unknown Or Other | Feb 5, 2026 | 2022 Silverado, 2021 Silverado, 2020 Silverado +30 |
| N252516900 | Emissions | Fuel/Propulsion System | Feb 5, 2026 | 2021 Blazer, 2021 Camaro, 2022 Equinox +5 |
| PIP5841H | Service bulletin | Unknown Or Other | Feb 4, 2026 | 2025 Blazer, 2024 Blazer, 2023 Blazer +3 |
| 654.50 | Over-the-air update | Unknown Or Other | Feb 3, 2026 | 2026 Equinox, 2025 Equinox, 2025 Suburban +2 |
| 654.30 | Over-the-air update | Unknown Or Other | Feb 3, 2026 | 2026 Equinox, 2025 Equinox, 2024 Equinox +2 |
| N252524761 | Service campaign | Unknown Or Other | Jan 28, 2026 | 2023 Equinox |
| N252524760 | Service campaign | Unknown Or Other | Jan 28, 2026 | 2023 Equinox |
| A252528630-02 | Service campaign | Fuel/Propulsion System | Jan 28, 2026 | 2026 Trax, 2025 Trax |
| N252530430 | Service campaign | Unknown Or Other | Jan 27, 2026 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +3 |
| N252515590 | Service campaign | Electrical System | Jan 27, 2026 | 2024 Silverado, 2023 Silverado, 2022 Silverado +3 |
| N252494250-01 | Service campaign | Unknown Or Other | Jan 27, 2026 | 2025 Blazer, 2024 Blazer, 2025 Equinox +6 |
| 653.30 | Over-the-air update | Unknown Or Other | Jan 27, 2026 | 2025 Blazer, 2025 Equinox, 2024 Equinox +3 |
| N252494003-02 | Service campaign | Engine | Jan 21, 2026 | 2024 Silverado, 2023 Silverado, 2022 Silverado +9 |
| PIT6425C | Service bulletin | Unknown Or Other | Jan 16, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +208 |
| PIT6400A | Service bulletin | Unknown Or Other | Jan 16, 2026 | 2022 Equinox, 2026 Express, 2025 Express +52 |
| N252536640 | Service campaign | Unknown Or Other | Jan 15, 2026 | 2025 Silverado |
| PIP6098 | Service bulletin | Unknown Or Other | Jan 14, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +175 |
| PIP5700G | Service bulletin | Unknown Or Other | Jan 12, 2026 | 2023 Camaro, 2022 Camaro, 2021 Camaro +30 |
| PIP4902U | Service bulletin | Unknown Or Other | Jan 8, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +312 |
| A252528630-01 | Service campaign | Fuel/Propulsion System | Jan 7, 2026 | 2026 Trax, 2025 Trax |
| 653.20 | Over-the-air update | Unknown Or Other | Jan 7, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +5 |
| N252534200 | Service campaign | Unknown Or Other | Jan 6, 2026 | 2021 Silverado |