
Chevrolet filed it with NHTSA. The number finds it.
Chevrolet service bulletins and campaigns
3,327 Chevrolet communications on file with a page here: 2893 service bulletins, 284 service campaigns, 128 over-the-air updates, 14 warranty extensions, 6 emissions, 2 others. Every bulletin a Chevrolet model-year page lists, plus every service campaign, warranty extension, over-the-air update and emissions notice Chevrolet filed since 2016, whether or not the vehicle has a page.
Chevrolet’s warranty extensions and special-coverage programs are also in their own list and one list with every other make’s, with the term each runs to.
Every bulletin for your Chevrolet
Pick the model and year and its page opens at the bulletin list: every campaign, warranty extension and over-the-air update Chevrolet filed with NHTSA for it, and the repair bulletins that go with them.
Get the next one by email. Pick a model and we send a weekly email, only in a week when its manufacturer files something new. Nothing else; one-click unsubscribe.
Look it up by VIN
Decoded by NHTSA in your browser, then its bulletin list opens.
Holding a letter? Type its number on the bulletins page.
The newest letters Chevrolet owners get
Source: service campaigns, warranty extensions, over-the-air updatesService campaigns, warranty extensions, updates
Source: the kinds an owner is written to about| Number | Kind | Component | Dated | Model years |
|---|---|---|---|---|
| INFOTAINMENT 2026.3.3 | Over-the-air update | — | Oct 30, 2026 | 2025 Brightdrop 400, 2026 Brightdrop 400, 2025 Brightdrop 600 +1 |
| INFOTAINMENT 2026.3.2 | Over-the-air update | — | Oct 30, 2026 | 2025 Brightdrop 400, 2025 Brightdrop 600 |
| ENERGY 2026.3 | Over-the-air update | — | Oct 29, 2026 | 2025 Equinox, 2024 Equinox, 2025 Silverado +3 |
| ASSISTED DRIVING & CABIN 2026.3 | Over-the-air update | — | Oct 29, 2026 | 2025 Brightdrop 400, 2026 Brightdrop 400, 2025 Brightdrop 600 +1 |
| TELEMATICS 2026.3 | Over-the-air update | — | Oct 28, 2026 | 2027 Blazer, 2027 Bolt, 2027 Corvette +6 |
| INFOTAINMENT 2026.4 | Over-the-air update | — | Oct 28, 2026 | 2026 Colorado, 2025 Colorado, 2024 Colorado +2 |
| DRIVING & CABIN 2026.3 | Over-the-air update | — | Oct 28, 2026 | 2026 Corvette |
| N262565450 | Service campaign | Electrical System | Oct 26, 2026 | 2025 Blazer, 2024 Blazer, 2025 Equinox +3 |
| GM UPDATE V176 | Over-the-air update | — | Oct 26, 2026 | 2025 Blazer |
| GM UPDATE N25-250552 | Over-the-air update | — | Oct 26, 2026 | 2022 Blazer, 2021 Blazer, 2020 Blazer +35 |
| N262572131-01 | Service campaign | Engine | Oct 23, 2026 | 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| INFOTAINMENT 2026.3 | Over-the-air update | — | Oct 23, 2026 | 2025 Blazer, 2024 Blazer, 2027 Bolt +6 |
| GATEWAY 2026.3 | Over-the-air update | — | Oct 23, 2026 | 2024 Blazer, 2023 Colorado, 2026 Corvette +19 |
| CABIN & DRIVING 2026.3 | Over-the-air update | — | Oct 23, 2026 | 2027 Suburban, 2027 Tahoe, 2026 Traverse |
| CABIN & DRIVING 2026.4 | Over-the-air update | — | Oct 21, 2026 | 2023 Colorado, 2027 Equinox |
| CABIN & CONNECTIVITY 2026.3 | Over-the-air update | — | Oct 21, 2026 | 2025 Equinox, 2027 Suburban, 2026 Suburban +2 |
| N262566800 | Service campaign | Engine | Oct 20, 2026 | 2026 Equinox, 2025 Equinox |
| N262545360-01 | Service campaign | Service Brakes | Oct 20, 2026 | 2026 Equinox, 2025 Equinox, 2024 Equinox |
| TELEMATICS 2026.4 | Over-the-air update | — | Oct 19, 2026 | 2026 Equinox |
| GM UPDATE 20.50 | Over-the-air update | — | Oct 19, 2026 | 2026 Equinox |
| N262570770-03 | Service campaign | Engine | Oct 16, 2026 | 2025 Blazer, 2024 Blazer |
| N262576260 | Service campaign | Engine | Oct 15, 2026 | 2019 Silverado |
| DRIVING & CONNECTIVITY 2026.3 | Over-the-air update | — | Oct 15, 2026 | 2025 Corvette, 2024 Corvette, 2026 Equinox |
| CONNECTIVITY 2026.3 | Over-the-air update | — | Oct 15, 2026 | 2024 Equinox, 2025 Brightdrop 400, 2026 Brightdrop 400 +2 |
| ASSISTED DRIVING 2026.3 | Over-the-air update | — | Oct 15, 2026 | 2027 Equinox, 2026 Equinox, 2025 Equinox +1 |
| N262545360 | Service campaign | Service Brakes | Oct 7, 2026 | 2026 Equinox, 2025 Equinox, 2024 Equinox |
| N262559000-01 | Service campaign | Fuel/Propulsion System | Oct 5, 2026 | 2027 Bolt |
| 663.40 | Over-the-air update | — | Oct 5, 2026 | 2026 Silverado |
| 663.10 | Over-the-air update | — | Oct 3, 2026 | 2023 Corvette, 2026 Silverado, 2026 Suburban +3 |
| UPDATE GATEWAY 2026.3 | Over-the-air update | — | Oct 1, 2026 | 2025 Equinox |
| 7.90 | Over-the-air update | — | Sep 26, 2026 | 2027 Equinox |
| N262570770-02 | Service campaign | Engine | Sep 25, 2026 | 2025 Blazer, 2024 Blazer |
| N262568370 | Service campaign | Exterior Lighting | Sep 23, 2026 | 2027 Bolt |
| N262558690-02 | Service campaign | Fuel/Propulsion System | Sep 23, 2026 | 2022 Blazer, 2022 Camaro, 2023 Colorado +6 |
| 662.80 | Over-the-air update | — | Sep 22, 2026 | 2024 Traverse |
| 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 |
| N262566020 | Service campaign | Structure | Sep 10, 2026 | 2027 Bolt |
| N232428992 | Emissions | — | Sep 10, 2026 | 2024 Silverado |
| 662.20 | Over-the-air update | — | Sep 8, 2026 | 2027 Bolt, 2026 Corvette, 2024 Corvette +8 |
| CABIN 2026.3 | Over-the-air update | — | Sep 3, 2026 | 2027 Bolt |
| N262558690-01 | Service campaign | Fuel/Propulsion System | Sep 1, 2026 | 2022 Blazer, 2022 Camaro, 2023 Colorado +7 |
| N262558680 | Service campaign | Seats | Sep 1, 2026 | 2024 Traverse |
| N252541251-02 | Service campaign | — | Sep 1, 2026 | 2024 Corvette, 2023 Corvette, 2022 Corvette +2 |
| N242484750-02 | Warranty extension | Engine | Sep 1, 2026 | 2022 Trailblazer |
| 662.10 | Over-the-air update | — | Sep 1, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +17 |
| N262572131 | Service campaign | Engine | Aug 28, 2026 | 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| 663.20 | Over-the-air update | — | Aug 27, 2026 | 2025 Colorado, 2024 Colorado, 2026 Silverado +4 |
| N252516700-01 | Service campaign | — | Aug 26, 2026 | 2026 Silverado, 2025 Silverado, 2019 Silverado |
| AUTOMATION (ASSISTED DRIVING) 2026.2 | Over-the-air update | — | Aug 25, 2026 | 2025 Blazer, 2024 Blazer |
| ASSISTED DRIVING & CABIN 2026.2 | Over-the-air update | — | Aug 24, 2026 | 2026 Blazer, 2025 Blazer |
| 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 |
| N252530430-01 | Service campaign | — | Aug 19, 2026 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +3 |
| 662.30 | Over-the-air update | — | Aug 19, 2026 | 2026 Corvette, 2025 Corvette, 2024 Corvette +10 |
| N26-254904 | Over-the-air update | — | Aug 18, 2026 | 2026 Silverado |
| DRIVING & ENERGY 2026.3 | Over-the-air update | — | Aug 15, 2026 | 2027 Bolt |
| N252501791 | Service campaign | — | Aug 13, 2026 | 2023 Colorado |
| 662.31 | Over-the-air update | — | Aug 12, 2026 | 2025 Silverado |
| 662.40 | Over-the-air update | — | Aug 11, 2026 | 2026 Equinox, 2026 Silverado, 2025 Silverado +1 |
| N252541251-01 | Service campaign | — | Aug 5, 2026 | 2024 Corvette, 2021 Corvette, 2020 Corvette |
| 662.21 | Over-the-air update | — | 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 |
| INFOTAINMENT 2026.2 | Over-the-air update | — | Aug 3, 2026 | 2026 Blazer |
| 19.00 | Over-the-air update | — | Aug 1, 2026 | 2026 Equinox |
| 663.30 | Over-the-air update | — | Jul 31, 2026 | 2026 Colorado |
| N26-F163BX | Over-the-air update | — | Jul 28, 2026 | 2025 Silverado, 2025 Silverado 2500HD |
| N252519860 | Service campaign | — | Jul 28, 2026 | 2026 Silverado, 2025 Silverado, 2024 Silverado +1 |
| N252528241-01 | Service campaign | Service Brakes | Jul 23, 2026 | 2026 Equinox, 2025 Equinox |
| 662.11 | Over-the-air update | — | Jul 23, 2026 | 2026 Silverado 2500HD, 2025 Traverse, 2024 Traverse |
| N26-F172AJ | Over-the-air update | — | Jul 16, 2026 | 2026 Equinox |
| 662.50 | Over-the-air update | — | 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 | — | Jul 14, 2026 | 2024 Traverse |
| N25-252332 | Over-the-air update | — | Jul 9, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +17 |
| N262560510 | Service campaign | Steering | Jun 25, 2026 | 2027 Bolt |
| 661.30 | Over-the-air update | — | 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 | — | 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 | — | Jun 10, 2026 | 2024 Silverado |
| 661.20 | Over-the-air update | — | Jun 10, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +14 |
| 661.51 | Over-the-air update | — | Jun 9, 2026 | 2024 Silverado |
| 661.10 | Over-the-air update | — | Jun 9, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +22 |
| 661.50 | Over-the-air update | — | Jun 8, 2026 | 2024 Blazer, 2026 Suburban, 2026 Tahoe |
| N252528480 | Service campaign | — | Jun 4, 2026 | 2024 Silverado |
| N262558300 | Service campaign | — | Jun 3, 2026 | 2026 Silverado |
| 661.60 | Over-the-air update | — | Jun 3, 2026 | 2026 Suburban, 2026 Tahoe |
| N262556930 | Service campaign | Power Train | Jun 2, 2026 | 2026 Colorado |
| 661.40 | Over-the-air update | — | Jun 2, 2026 | 2026 Blazer, 2024 Blazer, 2026 Equinox +3 |
| 654.40 | Over-the-air update | — | Jun 2, 2026 | 2026 Equinox, 2025 Equinox, 2025 Suburban +1 |
| N242468490-02 | Service campaign | Electrical System | May 28, 2026 | 2025 Blazer, 2024 Blazer |
| N262547330 | Service campaign | — | May 27, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +12 |
| N25-250552 | Over-the-air update | — | May 12, 2026 | 2025 Blazer, 2024 Blazer, 2023 Blazer +38 |
| N262552620 | Service campaign | Engine | May 11, 2026 | 2021 Suburban, 2021 Tahoe |
| 661.41 | Over-the-air update | — | May 11, 2026 | 2024 Silverado |
| N262547330-01 | Service campaign | — | May 8, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +12 |
| 661.22 | Over-the-air update | — | May 5, 2026 | 2026 Corvette, 2025 Suburban, 2025 Tahoe |
| N252541130 | Service campaign | — | May 4, 2026 | 2026 Traverse |
| N252537031 | Service campaign | — | 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 | — | May 1, 2026 | 2026 Equinox |
| 661.21 | Over-the-air update | — | 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 | — | Apr 15, 2026 | 2026 Express |
| N262546840 | Service campaign | — | Apr 13, 2026 | 2026 Silverado, 2025 Silverado |
| N252521591 | Service campaign | — | Apr 10, 2026 | 2026 Suburban, 2026 Tahoe |
| 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 |
| N252528650-01 | Service campaign | — | 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 | — | Mar 14, 2026 | 2025 Colorado, 2026 Traverse |
| 653.22 | Over-the-air update | — | Mar 14, 2026 | 2025 Traverse, 2024 Traverse |
| 653.21 | Over-the-air update | — | Mar 14, 2026 | 2025 Traverse, 2024 Traverse, 2025 Brightdrop 400 +1 |
| 18.50 | Over-the-air update | — | Mar 9, 2026 | 2026 Equinox |
| N252541510 | Service campaign | — | Mar 3, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +19 |
| 654.20 | Over-the-air update | — | Feb 27, 2026 | 2026 Blazer, 2026 Equinox, 2025 Equinox +12 |
| N252536390 | Service campaign | — | Feb 25, 2026 | 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| 654.70 | Over-the-air update | — | Feb 25, 2026 | 2025 Suburban, 2025 Tahoe |
| 661.11 | Over-the-air update | — | 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 | — | Feb 17, 2026 | 2026 Blazer, 2025 Equinox, 2024 Equinox +7 |
| N252536560 | Service campaign | — | Feb 16, 2026 | 2026 Silverado, 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| N252541790 | Service campaign | Visibility/Wiper | Feb 12, 2026 | 2026 Colorado |
| N252541390 | Service campaign | — | Feb 12, 2026 | 2026 Corvette |
| N252538330 | Service campaign | — | Feb 11, 2026 | 2025 Express |
| N252528650 | Service campaign | — | Feb 11, 2026 | 2025 Equinox, 2024 Equinox |
| N252521591-03 | Service campaign | — | Feb 11, 2026 | 2026 Equinox, 2026 Silverado, 2026 Suburban +1 |
| N252537030 | Service campaign | — | Feb 10, 2026 | 2026 Silverado 2500HD, 2025 Silverado 2500HD, 2024 Silverado 2500HD +3 |
| N252521591-02 | Service campaign | — | 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 |
| N252516900 | Emissions | Fuel/Propulsion System | Feb 5, 2026 | 2021 Blazer, 2021 Camaro, 2022 Equinox +5 |
| 654.50 | Over-the-air update | — | Feb 3, 2026 | 2026 Equinox, 2025 Equinox, 2025 Suburban +2 |
| 654.30 | Over-the-air update | — | Feb 3, 2026 | 2026 Equinox, 2025 Equinox, 2024 Equinox +2 |
| N252524761 | Service campaign | — | Jan 28, 2026 | 2023 Equinox |
| N252524760 | Service campaign | — | Jan 28, 2026 | 2023 Equinox |
| A252528630-02 | Service campaign | Fuel/Propulsion System | Jan 28, 2026 | 2026 Trax, 2025 Trax |
| N252530430 | Service campaign | — | 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 | — | Jan 27, 2026 | 2025 Blazer, 2024 Blazer, 2025 Equinox +6 |
| 653.30 | Over-the-air update | — | 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 |
| N252536640 | Service campaign | — | Jan 15, 2026 | 2025 Silverado |
| A252528630-01 | Service campaign | Fuel/Propulsion System | Jan 7, 2026 | 2026 Trax, 2025 Trax |
| 653.20 | Over-the-air update | — | Jan 7, 2026 | 2026 Blazer, 2025 Blazer, 2024 Blazer +5 |
| N252534200 | Service campaign | — | Jan 6, 2026 | 2021 Silverado |
| N252525760 | Service campaign | — | Dec 17, 2025 | 2025 Equinox |
| N252531220 | Service campaign | Steering | Dec 16, 2025 | 2026 Equinox, 2025 Equinox |
| 653.40 | Over-the-air update | — | Dec 16, 2025 | 2024 Colorado, 2025 Equinox, 2024 Equinox +2 |
| N242488190-01 | Service campaign | — | Dec 10, 2025 | 2025 LOW Cab Forward 3500, 2025 LOW Cab Forward 4500 |
| A252528630 | Service campaign | Fuel/Propulsion System | Dec 9, 2025 | 2026 Trax |
| 625.42 | Over-the-air update | — | Dec 9, 2025 | 2026 Corvette |
| 625.41 | Over-the-air update | — | Dec 4, 2025 | 2025 Corvette, 2024 Corvette |
| N242438500-04 | Emissions | Fuel/Propulsion System | Nov 24, 2025 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| N252527780 | Service campaign | — | Nov 20, 2025 | 2026 Silverado |
| N252521591-01 | Service campaign | — | Nov 20, 2025 | 2026 Suburban, 2026 Tahoe |
| 653.10 | Over-the-air update | — | Nov 20, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +3 |
| N252528020 | Service campaign | Steering | Nov 18, 2025 | 2026 Tahoe, 2025 Tahoe |
| N252507990 | Service campaign | — | Nov 18, 2025 | 2025 Silverado, 2025 Silverado 2500HD, 2025 Silverado 3500HD +2 |
| 652.30 | Over-the-air update | — | Nov 14, 2025 | 2025 Equinox, 2025 Silverado, 2024 Silverado +2 |
| N252527500 | Service campaign | Suspension | Nov 12, 2025 | 2026 Silverado 2500HD, 2025 Silverado 2500HD, 2026 Silverado 3500HD +1 |
| 653.50 | Over-the-air update | — | Nov 7, 2025 | 2025 Equinox, 2024 Equinox |
| N252526151 | Service campaign | Fuel/Propulsion System | Nov 4, 2025 | 2025 Express |
| N252526150 | Service campaign | Fuel/Propulsion System | Nov 4, 2025 | 2025 Express, 2026 Silverado, 2026 Silverado 2500HD +3 |
| N252508360 | Warranty extension | Engine | Nov 3, 2025 | 2022 Malibu |
| N252521980-01 | Service campaign | Service Brakes | Oct 31, 2025 | 2024 Blazer, 2023 Colorado |
| 652.20 | Over-the-air update | — | Oct 27, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +1 |
| N252499670 | Service campaign | Engine | Oct 23, 2025 | 2021 Trax |
| N252521980 | Service campaign | Service Brakes | Oct 22, 2025 | 2024 Blazer, 2023 Colorado |
| N25-F163BU | Over-the-air update | — | Oct 22, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +2 |
| N252508350 | Service campaign | Engine | Oct 21, 2025 | 2021 Blazer |
| N252525920 | Service campaign | — | Oct 20, 2025 | 2026 Silverado |
| N242484750-01 | Warranty extension | Engine | Oct 20, 2025 | 2022 Trailblazer |
| N242450640-01 | Warranty extension | Engine | Oct 20, 2025 | 2021 Trailblazer |
| N232401570 | Service campaign | — | Oct 16, 2025 | 2024 Blazer, 2024 Silverado |
| N252517790 | Service campaign | Power Train | Oct 14, 2025 | 2026 Colorado, 2025 Colorado, 2025 Express +1 |
| N252523390 | Service campaign | Steering | Oct 9, 2025 | 2026 Silverado |
| N242454441 -03 | Service campaign | Power Train | Oct 9, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +10 |
| N252516700 | Service campaign | — | Oct 7, 2025 | 2025 Silverado, 2024 Silverado |
| N252516751 | Service campaign | — | Oct 2, 2025 | 2025 Brightdrop 400, 2025 Brightdrop 600 |
| N252516750 | Service campaign | — | Oct 2, 2025 | 2025 Brightdrop 400, 2025 Brightdrop 600 |
| A252515200 | Service campaign | — | Oct 2, 2025 | 2024 Traverse |
| 652.50 | Over-the-air update | — | Oct 1, 2025 | 2023 Silverado |
| N25-251670 | Over-the-air update | — | Sep 30, 2025 | 2024 Silverado |
| N252518760 | Service campaign | — | Sep 23, 2025 | 2025 Express |
| N252521400 | Service campaign | — | Sep 17, 2025 | 2026 Silverado |
| N252507500 | Service campaign | Suspension | Sep 17, 2025 | 2025 Silverado |
| N252508341 | Service campaign | Engine | Sep 16, 2025 | 2022 Silverado, 2021 Silverado, 2023 Suburban +5 |
| N252508340 | Service campaign | Engine | Sep 16, 2025 | 2023 Silverado |
| N252510320 | Service campaign | — | Sep 8, 2025 | 2024 Silverado, 2023 Silverado, 2024 Suburban +3 |
| N252510321-02 | Service campaign | — | Sep 5, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +9 |
| N252510321-01 | Service campaign | — | Sep 5, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +7 |
| N24-245213 | Over-the-air update | — | Sep 3, 2025 | 2024 Colorado, 2023 Colorado, 2024 Silverado +1 |
| 625.10 | Over-the-air update | — | Sep 3, 2025 | 2025 Blazer, 2024 Blazer |
| 625.30 | Over-the-air update | — | Aug 29, 2025 | 2025 Corvette |
| 624.30 | Over-the-air update | — | Aug 29, 2025 | 2024 Corvette |
| N252519910 | Service campaign | Service Brakes | Aug 27, 2025 | 2025 Blazer, 2025 Equinox |
| N252494250 | Service campaign | Wheels | Aug 26, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +5 |
| N242482170-01 | Service campaign | Service Brakes | Aug 20, 2025 | 2024 Traverse |
| N252512530 | Service campaign | — | Aug 18, 2025 | 2025 Tahoe |
| N25-F165AN | Over-the-air update | — | Aug 18, 2025 | 2025 Colorado |
| N252510321 | Service campaign | — | Aug 14, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +5 |
| 652.10 | Over-the-air update | — | Aug 11, 2025 | 2025 Silverado, 2024 Silverado, 2025 Traverse +1 |
| 604.02 | Over-the-air update | — | Aug 11, 2025 | 2024 Blazer |
| N25-251032 | Over-the-air update | — | Aug 7, 2025 | 2024 Silverado, 2023 Silverado |
| N25-250403 | Over-the-air update | — | Aug 7, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| N25-250380 | Over-the-air update | — | Aug 7, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| N25-250307 | Over-the-air update | — | Aug 7, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| N252517721 | Service campaign | — | Aug 6, 2025 | 2026 Traverse |
| 652.40 | Over-the-air update | — | Aug 5, 2025 | 2025 Silverado, 2024 Silverado |
| N252503960 | Service campaign | — | Aug 2, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| N242480631-04 | Service campaign | — | Jul 23, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| N242435630-05 | Service campaign | — | Jul 23, 2025 | 2023 Corvette, 2024 Silverado, 2023 Silverado +6 |
| N24-248403 (V604.01) | Over-the-air update | — | Jul 22, 2025 | 2024 Blazer |
| N252504660 | Service campaign | — | Jul 21, 2025 | 2025 Silverado, 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| N252512260 | Service campaign | Steering | Jul 17, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado |
| N252502891 | Service campaign | Engine | Jul 16, 2025 | 2024 Blazer, 2024 Silverado, 2025 Brightdrop 600 |
| N252502890 | Service campaign | Engine | Jul 16, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| N25-250378 (V652.20) | Over-the-air update | — | Jul 9, 2025 | 2025 Equinox, 2024 Equinox |
| N25-249763 (V652.40) | Over-the-air update | — | Jul 9, 2025 | 2025 Equinox, 2024 Equinox |
| N25-249372 (V652.30) | Over-the-air update | — | Jul 9, 2025 | 2024 Equinox |
| N25-249372_1 (V652.30) | Over-the-air update | — | Jul 9, 2025 | 2025 Equinox, 2024 Equinox |
| N252494220 | Service campaign | Service Brakes | Jun 26, 2025 | 2025 Corvette, 2025 Equinox |
| N252494003-01 | Service campaign | Power Train | Jun 26, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +9 |
| N252508800 | Service campaign | Suspension | Jun 24, 2025 | 2025 Silverado |
| N252494770-01 | Service campaign | — | Jun 20, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +149 |
| N242480631-03 | Warranty extension | — | Jun 18, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| N252494770 | Service campaign | — | Jun 17, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +181 |
| N25-250020 | Over-the-air update | — | Jun 17, 2025 | 2025 Colorado, 2026 Silverado 2500HD |
| N242452140-01 | Service campaign | — | Jun 17, 2025 | 2025 Silverado, 2024 Silverado |
| N25-250322 | Over-the-air update | — | Jun 16, 2025 | 2026 Equinox |
| N252506312 | Service campaign | — | Jun 12, 2025 | 2025 Equinox |
| N252506311 | Service campaign | — | Jun 12, 2025 | 2025 Equinox |
| N252506310 | Service campaign | — | Jun 12, 2025 | 2025 Equinox |
| N252503850 | Warranty extension | Engine | Jun 10, 2025 | 2023 Traverse |
| N242451030-03 | Service campaign | — | Jun 5, 2025 | 2023 Colorado |
| N25-F172AE | Over-the-air update | — | May 28, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +7 |
| N242480631-02 | Service campaign | Power Train | May 27, 2025 | 2021 Camaro, 2020 Camaro |
| N252494003 | Service campaign | Engine | May 23, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +9 |
| N24-247054 | Over-the-air update | — | May 23, 2025 | 2024 Blazer |
| N242480631-01 | Service campaign | Power Train | May 22, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| N242483540-01 | Service campaign | Power Train | May 21, 2025 | 2024 Silverado |
| N24-G172AE | Over-the-air update | — | May 19, 2025 | 2025 Equinox |
| N24-248967 | Over-the-air update | — | May 19, 2025 | 2025 Equinox, 2025 Suburban, 2025 Tahoe |
| N24-F172AE | Over-the-air update | — | May 15, 2025 | 2024 Corvette |
| N232427510-02 | Service campaign | — | May 15, 2025 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +9 |
| N252504200 | Service campaign | — | May 7, 2025 | 2026 LOW Cab Forward 5500, 2025 LOW Cab Forward N Series |
| A252503090 | Service campaign | Service Brakes | May 7, 2025 | 2025 Trax |
| N252503100 | Service campaign | — | May 6, 2025 | 2025 Silverado, 2024 Silverado |
| N252502270 | Service campaign | — | May 6, 2025 | 2025 Suburban, 2025 Tahoe |
| N25-250520 | Over-the-air update | — | May 6, 2025 | 2025 Silverado, 2024 Silverado, 2024 Suburban +3 |
| N242451390-03 | Service campaign | — | May 6, 2025 | 2025 Silverado, 2024 Silverado |
| N242487960-01 | Service campaign | — | May 5, 2025 | 2025 Corvette, 2024 Corvette |
| N242468490-01 | Service campaign | — | May 2, 2025 | 2025 Blazer, 2024 Blazer |
| N232427510-01 | Service campaign | — | May 1, 2025 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +9 |
| N24-246898 | Over-the-air update | — | Apr 29, 2025 | 2024 Equinox |
| N232427510 | Service campaign | — | Apr 29, 2025 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +10 |
| N25-249456 | Over-the-air update | — | Apr 22, 2025 | 2025 Blazer, 2024 Blazer |
| N242476670 | Service campaign | — | Apr 15, 2025 | 2025 Corvette, 2024 Corvette |
| N242484500 | Service campaign | Structure | Apr 10, 2025 | 2024 Silverado |
| N242483540 | Service campaign | Power Train | Apr 1, 2025 | 2024 Silverado |
| N25-249834 | Over-the-air update | — | Mar 29, 2025 | 2024 Equinox, 2025 Silverado, 2024 Silverado |
| N242486220 | Service campaign | — | Mar 28, 2025 | 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| N242488800 | Service campaign | — | Mar 26, 2025 | 2024 Corvette, 2021 Corvette |
| N24-247330 | Over-the-air update | — | Mar 22, 2025 | 2025 Traverse |
| N25-249243 | Over-the-air update | — | Mar 21, 2025 | 2025 Blazer |
| N242480630 | Service campaign | — | Mar 21, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| N25-249332 | Over-the-air update | — | Mar 19, 2025 | 2025 Equinox |
| N25-172AE | Over-the-air update | — | Mar 19, 2025 | 2025 Corvette, 2025 Equinox, 2024 Equinox +1 |
| N242485840 | Service campaign | — | Mar 19, 2025 | 2025 Equinox |
| N24-248897 | Over-the-air update | — | Mar 19, 2025 | 2025 Brightdrop 400, 2025 Brightdrop 600 |
| N252492430 | Service campaign | Visibility/Wiper | Mar 18, 2025 | 2025 Blazer, 2024 Blazer |
| N242483980 | Service campaign | — | Mar 13, 2025 | 2025 Silverado, 2024 Silverado, 2024 Silverado 3500HD |
| N252495410 | Service campaign | — | Mar 12, 2025 | 2025 Express |
| N222383021 | Service campaign | — | Mar 12, 2025 | 2022 Silverado |
| N242484110 | Service campaign | Suspension | Mar 11, 2025 | 2025 Corvette |
| N242468490 | Service campaign | Electrical System | Mar 10, 2025 | 2025 Blazer, 2024 Blazer |
| N242480631 | Service campaign | Power Train | Mar 7, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| N242447610 | Service campaign | — | Mar 6, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +2 |
| N242486200 | Service campaign | Electrical System | Mar 4, 2025 | 2024 Equinox |
| N242478850 | Service campaign | Engine | Mar 3, 2025 | 2025 Equinox |
| N242452130 | Service campaign | Engine | Mar 3, 2025 | 2024 Colorado, 2023 Colorado, 2024 Silverado +1 |
| N242490010 | Service campaign | — | Feb 27, 2025 | 2025 Blazer |
| N242482641 | Service campaign | Suspension | Feb 26, 2025 | 2024 Colorado |
| N242482640 | Service campaign | Suspension | Feb 26, 2025 | 2024 Colorado |
| N24-248092 | Over-the-air update | — | Feb 24, 2025 | 2024 Equinox |