Manufacturer communications · 2023
Chevrolet bulletins dated 2023
521 communications, newest first. All Chevrolet bulletins →
Bulletins
521 bulletins
| Number | Kind | Component | Dated | Model years |
|---|---|---|---|---|
| PIE0760A | Service bulletin | Engine | Dec 22, 2023 | 2024 Silverado, 2023 Silverado |
| PIT5684A | Service bulletin | Electrical System | Dec 21, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +8 |
| PIT5673A | Service bulletin | Exterior Lighting | Dec 21, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +8 |
| PIE0773 | Service bulletin | Electrical System, Equipment | Dec 21, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +9 |
| PIC6534 | Service bulletin | Electrical System | Dec 21, 2023 | 2024 Corvette |
| 19-NA-181 | Service bulletin | Electrical System, Engine | Dec 21, 2023 | 2024 Equinox, 2023 Equinox, 2022 Equinox +4 |
| PIT5386J | Service bulletin | Electrical System, Back Over Prevention | Dec 20, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +24 |
| 23-NA-143 | Service bulletin | Equipment, Electrical System | Dec 20, 2023 | 2023 Silverado, 2022 Silverado, 2024 Silverado 2500HD +5 |
| 23-NA-118 | Service bulletin | Equipment, Electrical System | Dec 20, 2023 | 2023 Silverado, 2022 Silverado, 2024 Silverado 2500HD +5 |
| 23-NA-034 | Service bulletin | Equipment, Electrical System | Dec 20, 2023 | 2023 Silverado, 2022 Silverado, 2023 Suburban +3 |
| 16-NA-361 | Service bulletin | Power Train, Equipment | Dec 20, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +36 |
| PIT6104 | Service bulletin | Structure | Dec 19, 2023 | 2024 Blazer |
| PIT6099A | Service bulletin | Visibility/Wiper | Dec 18, 2023 | 2024 Blazer |
| PIT5074P | Service bulletin | Equipment | Dec 18, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +113 |
| PI3541J | Service bulletin | Seats, Wheels | Dec 18, 2023 | 2019 Silverado, 2018 Silverado, 2017 Silverado +1 |
| N232411311 | Service bulletin | Engine | Dec 18, 2023 | 2023 Colorado |
| PIT5962A | Service bulletin | Electrical System | Dec 15, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +234 |
| 23-NA-205 | Service bulletin | Electrical System, Equipment | Dec 15, 2023 | 2024 Corvette |
| PIP5956 | Service bulletin | Electrical System, Fuel/Propulsion System | Dec 14, 2023 | 2024 Corvette, 2023 Corvette |
| N232411313 | Service bulletin | Electrical System | Dec 14, 2023 | 2023 Colorado |
| 23-NA-218 | Service bulletin | Structure | Dec 14, 2023 | 2024 Trailblazer, 2023 Trailblazer, 2022 Trailblazer +1 |
| 23-NA-192 | Service bulletin | Power Train | Dec 14, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +3 |
| 23-NA-071 | Service bulletin | Engine, Electrical System | Dec 14, 2023 | 2023 Silverado |
| PIT6103 | Service bulletin | Visibility/Wiper, Electrical System | Dec 13, 2023 | 2023 Colorado |
| PIT6102 | Service bulletin | Equipment | Dec 13, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| PIT6097B | Service bulletin | Equipment | Dec 13, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +33 |
| PIT6078B | Service bulletin | Visibility/Wiper, Electrical System | Dec 13, 2023 | 2024 Blazer |
| PIE0770 | Service bulletin | Electrical System, Engine | Dec 13, 2023 | 2024 Silverado, 2023 Silverado |
| N232417460 | Service bulletin | Power Train, Engine | Dec 13, 2023 | 2023 Silverado |
| N232408731 | Service bulletin | Electrical System, Parking Brake | Dec 13, 2023 | 2022 Tahoe |
| N222371151-12 | Service bulletin | Steering | Dec 13, 2023 | 2022 Blazer, 2022 Silverado, 2022 Silverado 2500HD +4 |
| 21-NA-147 | Service bulletin | Engine | Dec 13, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +31 |
| PIT6092B | Service bulletin | Equipment, Electrical System | Dec 12, 2023 | 2023 Colorado |
| PIT6101 | Service bulletin | Electrical System, Equipment | Dec 11, 2023 | 2023 Blazer, 2024 Silverado, 2023 Silverado +5 |
| PIT6098 | Service bulletin | Electrical System | Dec 11, 2023 | 2024 Colorado, 2023 Colorado |
| PIE0771 | Service bulletin | Engine | Dec 11, 2023 | 2024 Silverado, 2023 Silverado |
| PIT6100 | Service bulletin | Electrical System | Dec 8, 2023 | 2024 Blazer |
| PIT6097A | Service bulletin | Equipment | Dec 8, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +41 |
| PIP5660B | Service bulletin | Electrical System, Power Train | Dec 8, 2023 | 2019 Silverado |
| PIP5660A | Service bulletin | Power Train, Electrical System | Dec 8, 2023 | 2019 Silverado |
| PIT6099 | Service bulletin | Visibility/Wiper | Dec 7, 2023 | 2024 Blazer |
| PIT6094A | Service bulletin | Equipment, Electrical System | Dec 7, 2023 | 2024 Blazer |
| PIT6078A | Service bulletin | Visibility/Wiper, Electrical System | Dec 7, 2023 | 2024 Blazer |
| PIP5947A | Service bulletin | Engine | Dec 7, 2023 | 2024 Trailblazer, 2024 Trax |
| PIT6097 | Service bulletin | Equipment | Dec 6, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +41 |
| N232412720 | Service bulletin | Engine, Electrical System | Dec 6, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| 20-NA-066 | Service bulletin | Electrical System, Engine | Dec 6, 2023 | 2020 Silverado |
| PIT6096 | Service bulletin | Equipment, Power Train | Dec 5, 2023 | 2023 Silverado 2500HD, 2022 Silverado 2500HD, 2021 Silverado 2500HD +5 |
| PIT6092A | Service bulletin | Equipment | Dec 5, 2023 | 2023 Colorado, 2024 Silverado |
| PIT5973D | Service bulletin | Structure, Electrical System | Dec 5, 2023 | 2024 Suburban, 2023 Suburban, 2022 Suburban +3 |
| PIT5945B | Service bulletin | Equipment | Dec 5, 2023 | 2020 Trax, 2019 Trax, 2018 Trax |
| PIT5851D | Service bulletin | Electrical System | Dec 5, 2023 | 2024 Corvette, 2023 Corvette, 2022 Corvette +15 |
| PIP5869B | Service bulletin | Equipment | Dec 5, 2023 | 2024 Corvette, 2023 Corvette |
| PIE0763B | Service bulletin | Structure, Latches/Locks/Linkages | Dec 5, 2023 | 2024 Camaro, 2023 Camaro |
| N232424790 | Service bulletin | Equipment | Dec 5, 2023 | 2023 Suburban, 2023 Tahoe |
| PIT5359D | Service bulletin | Electrical System | Dec 4, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +8 |
| N232418200 | Service bulletin | Engine | Dec 4, 2023 | 2023 Trailblazer, 2024 Trax |
| N23-242442 | Service bulletin | Electrical System | Dec 4, 2023 | 2023 Colorado |
| N232429910 | Service bulletin | Equipment | Dec 1, 2023 | 2024 Blazer, 2024 Equinox |
| 23-NA-211 | Service bulletin | Structure, Latches/Locks/Linkages | Dec 1, 2023 | 2024 Camaro, 2023 Camaro |
| PIT6095 | Service bulletin | Service Brakes | Nov 30, 2023 | 2024 Tahoe, 2023 Tahoe, 2022 Tahoe +1 |
| PIT6094 | Service bulletin | Equipment, Back Over Prevention | Nov 30, 2023 | 2024 Blazer |
| PIT6092 | Service bulletin | Equipment | Nov 30, 2023 | 2024 Blazer, 2023 Colorado, 2024 Silverado |
| 23-NA-212 | Service bulletin | Engine | Nov 30, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +3 |
| PIT6093 | Service bulletin | Equipment, Electrical System | Nov 29, 2023 | 2024 Blazer |
| PIP5955 | Service bulletin | Equipment | Nov 29, 2023 | 2024 Silverado 2500HD |
| PIC6509C | Service bulletin | Trailer Hitches | Nov 29, 2023 | 2024 Trailblazer, 2024 Trax |
| PIC6289D | Service bulletin | Engine | Nov 29, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 19-NA-256 | Service bulletin | Engine | Nov 29, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +35 |
| PIE0758A | Service bulletin | Engine, Electrical System | Nov 28, 2023 | 2023 Trailblazer |
| 23-NA-194 | Service bulletin | Equipment, Electrical System | Nov 28, 2023 | 2024 Trax |
| PIP5700E | Service bulletin | Electrical System | Nov 27, 2023 | 2021 Camaro, 2020 Camaro, 2019 Camaro +23 |
| PIP5906B | Service bulletin | Fuel/Propulsion System | Nov 22, 2023 | 2024 Silverado 2500HD |
| PIT6090 | Service bulletin | Equipment | Nov 21, 2023 | 2024 Silverado 3500HD, 2023 Silverado 3500HD, 2022 Silverado 3500HD |
| PIT6089 | Service bulletin | Equipment | Nov 21, 2023 | 2024 Blazer |
| N232408730 | Service bulletin | Exterior Lighting, Electrical System | Nov 21, 2023 | 2021 Tahoe |
| 23-NA-145 | Service bulletin | Equipment, Electrical System | Nov 21, 2023 | 2024 Trailblazer, 2024 Trax |
| PIE0766A | Service bulletin | Electrical System, Engine | Nov 20, 2023 | 2023 Suburban, 2023 Tahoe |
| N232421270 | Service bulletin | Equipment, Structure | Nov 20, 2023 | 2024 Silverado, 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| N232419270 | Service bulletin | Structure | Nov 20, 2023 | 2023 Malibu |
| 23-NA-195 | Service bulletin | Power Train | Nov 20, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +5 |
| PIT5985C | Service bulletin | Power Train | Nov 17, 2023 | 2024 Blazer, 2023 Colorado, 2024 Corvette +16 |
| PIP5847B | Service bulletin | Back Over Prevention | Nov 17, 2023 | 2024 Silverado, 2023 Silverado, 2021 Silverado +3 |
| PIE0763A | Service bulletin | Structure, Electrical System | Nov 17, 2023 | 2024 Camaro, 2023 Camaro |
| 22-NA-256 | Service bulletin | Equipment, Electrical System | Nov 17, 2023 | 2023 Silverado, 2022 Silverado, 2023 Suburban +3 |
| 22-NA-136 | Service bulletin | Electrical System | Nov 17, 2023 | 2022 Blazer, 2021 Blazer, 2022 Traverse +1 |
| 21-NA-161 | Service bulletin | Engine, Electrical System | Nov 17, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +3 |
| 18-NA-375 | Service bulletin | Electrical System, Structure | Nov 17, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 17-NA-220 | Service bulletin | Equipment, Structure | Nov 17, 2023 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +6 |
| PIT6088 | Service bulletin | Power Train, Steering | Nov 16, 2023 | 2022 Silverado, 2021 Silverado, 2020 Silverado +1 |
| PIC6530 | Service bulletin | Electrical System | Nov 16, 2023 | 2024 Trax |
| 23-NA-204 | Service bulletin | Electrical System, Equipment | Nov 16, 2023 | 2024 Trailblazer, 2024 Trax |
| PIT6087 | Service bulletin | Back Over Prevention | Nov 15, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| PIT6082A | Service bulletin | Electrical System, Equipment | Nov 15, 2023 | 2024 Blazer |
| PIP5951 | Service bulletin | Equipment | Nov 15, 2023 | 2024 Silverado |
| PIC6529 | Service bulletin | Structure | Nov 15, 2023 | 2024 Blazer |
| N232428190 | Service bulletin | Electrical System | Nov 15, 2023 | 2024 Blazer |
| 23-NA-206 | Service bulletin | Electrical System, Equipment | Nov 15, 2023 | 2023 Corvette, 2022 Corvette, 2021 Corvette +4 |
| 23-NA-139 | Service bulletin | Power Train, Electrical System | Nov 15, 2023 | 2024 Corvette, 2023 Corvette, 2022 Corvette +2 |
| PIT5832K | Service bulletin | Power Train | Nov 14, 2023 | 2024 Blazer, 2023 Colorado, 2024 Corvette +16 |
| PIT5214F | Service bulletin | Suspension | Nov 14, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +113 |
| PIP5950 | Service bulletin | Power Train | Nov 14, 2023 | 2024 Silverado 2500HD |
| PIP5944A | Service bulletin | Equipment | Nov 14, 2023 | 2023 Malibu, 2022 Malibu, 2021 Malibu +5 |
| PIE0767 | Service bulletin | Power Train, Electrical System | Nov 14, 2023 | 2024 Corvette, 2023 Corvette |
| N232421260-01 | Service bulletin | Power Train, Electrical System | Nov 14, 2023 | 2022 Bolt EUV, 2022 Bolt EV, 2021 Bolt EV +1 |
| N232408732 | Service bulletin | Electrical System | Nov 14, 2023 | 2023 Tahoe |
| 23-NA-196 | Service bulletin | Power Train | Nov 14, 2023 | 2023 Blazer, 2022 Blazer, 2023 Traverse +1 |
| PIE0766 | Service bulletin | Electrical System, Engine | Nov 13, 2023 | 2023 Suburban, 2023 Tahoe |
| PIT5551M | Service bulletin | Forward Collision Avoidance | Nov 9, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +70 |
| N232425900 | Service bulletin | Parking Brake, Electrical System | Nov 9, 2023 | 2023 Silverado |
| N232425320 | Service bulletin | Equipment, Service Brakes | Nov 9, 2023 | 2024 Camaro |
| 22-NA-142 | Service bulletin | Equipment, Electrical System | Nov 9, 2023 | 2022 Silverado, 2022 Suburban, 2022 Tahoe |
| 22-NA-118 | Service bulletin | Equipment, Electrical System | Nov 9, 2023 | 2022 Silverado, 2022 Suburban, 2022 Tahoe |
| 22-NA-058 | Service bulletin | Electrical System, Equipment | Nov 9, 2023 | 2022 Suburban, 2022 Tahoe |
| 22-NA-032 | Service bulletin | Equipment, Electrical System | Nov 9, 2023 | 2022 Suburban, 2022 Tahoe |
| 19-NA-046 | Service bulletin | Electrical System, Power Train | Nov 9, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +10 |
| 17-NA-040 | Service bulletin | Service Brakes | Nov 9, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +17 |
| PIE0757A | Service bulletin | Engine | Nov 8, 2023 | 2023 Traverse |
| 23-NA-178 | Service bulletin | Electrical System, Engine | Nov 8, 2023 | 2023 Corvette |
| 22-NA-251 | Service bulletin | Power Train, Wheels | Nov 8, 2023 | 2022 Silverado, 2021 Silverado, 2020 Silverado +5 |
| 22-NA-228 | Service bulletin | Equipment, Electrical System | Nov 8, 2023 | 2023 Suburban, 2022 Suburban, 2023 Tahoe +1 |
| PIT6084 | Service bulletin | Equipment | Nov 7, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +31 |
| PIC6528 | Service bulletin | Electrical System | Nov 7, 2023 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +2 |
| N232422180 | Service bulletin | Electrical System, Fuel/Propulsion System | Nov 7, 2023 | 2024 Silverado |
| N232415150 | Service bulletin | Structure | Nov 7, 2023 | 2024 Trax |
| 23-NA-033 | Service bulletin | Engine, Electrical System | Nov 7, 2023 | 2024 Equinox, 2023 Equinox |
| 20-NA-120 | Service bulletin | Power Train | Nov 7, 2023 | 2024 Malibu, 2023 Malibu, 2022 Malibu +7 |
| PIP5935A | Service bulletin | Engine | Nov 6, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +3 |
| 23-NA-200 | Service bulletin | Engine, Electrical System | Nov 6, 2023 | 2023 Corvette |
| 23-NA-199 | Service bulletin | Structure | Nov 6, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 22-NA-073 | Service bulletin | Fuel/Propulsion System | Nov 6, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 03-00-91-001I | Service bulletin | Suspension, Steering | Nov 6, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +230 |
| PIP5949 | Service bulletin | Power Train | Nov 3, 2023 | 2023 Silverado, 2021 Silverado, 2019 Silverado +10 |
| PIC6523A | Service bulletin | Visibility/Wiper | Nov 3, 2023 | 2024 Trax |
| 22-NA-167 | Service bulletin | Equipment | Nov 3, 2023 | 2022 Equinox, 2023 Express, 2022 Express +65 |
| PIT6032C | Service bulletin | Visibility/Wiper | Nov 2, 2023 | 2024 Silverado, 2024 Silverado 2500HD, 2024 Silverado 3500HD +2 |
| PIT5999B | Service bulletin | Equipment | Nov 2, 2023 | 2024 Silverado, 2024 Silverado 2500HD, 2024 Silverado 3500HD +2 |
| PIT5736C | Service bulletin | Visibility/Wiper | Nov 2, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +13 |
| N232421260 | Service bulletin | Electrical System, Fuel/Propulsion System | Nov 2, 2023 | 2022 Bolt EUV, 2022 Bolt EV, 2021 Bolt EV +1 |
| PIE0756A | Service bulletin | Equipment, Visibility/Wiper | Nov 1, 2023 | 2023 Traverse |
| N232404290 | Service bulletin | Equipment, Trailer Hitches | Nov 1, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| N222375790-09 | Service bulletin | Electrical System | Nov 1, 2023 | 2023 Corvette, 2022 Corvette, 2022 Silverado +2 |
| N222371151-11 | Service bulletin | Steering | Nov 1, 2023 | 2022 Blazer, 2022 Silverado, 2023 Silverado 2500HD +5 |
| 21-NA-228 | Service bulletin | Electrical System, Equipment | Nov 1, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +15 |
| PIT6078 | Service bulletin | Visibility/Wiper, Electrical System | Oct 31, 2023 | 2024 Blazer |
| PIP5948 | Service bulletin | Communication | Oct 30, 2023 | 2023 Colorado |
| PIP5947 | Service bulletin | Engine | Oct 30, 2023 | 2024 Trailblazer, 2024 Trax |
| 23-NA-193 | Service bulletin | Electrical System, Engine | Oct 30, 2023 | 2023 Silverado |
| 20-NA-159 | Service bulletin | Wheels, Tires | Oct 30, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +223 |
| PIP5946 | Service bulletin | Power Train | Oct 27, 2023 | 2024 Colorado, 2023 Colorado, 2024 Silverado |
| PIP5945 | Service bulletin | Power Train | Oct 27, 2023 | 2020 Silverado, 2019 Silverado |
| PIT6082 | Service bulletin | Electrical System | Oct 26, 2023 | 2024 Blazer |
| PIP5944 | Service bulletin | Power Train | Oct 26, 2023 | 2020 Malibu, 2019 Malibu, 2023 Trailblazer +2 |
| PIC6486C | Service bulletin | Communication | Oct 26, 2023 | 2023 Blazer, 2022 Blazer, 2023 Camaro +14 |
| PIT6081 | Service bulletin | Electrical System, Back Over Prevention | Oct 25, 2023 | 2022 Suburban, 2022 Tahoe |
| 23-NA-188 | Service bulletin | Power Train, Equipment | Oct 25, 2023 | 2024 Corvette, 2023 Corvette, 2022 Corvette +2 |
| PIT6080 | Service bulletin | Equipment | Oct 24, 2023 | 2024 Silverado |
| PIT6079 | Service bulletin | Power Train, Steering | Oct 24, 2023 | 2024 Silverado |
| PIT6077 | Service bulletin | Engine | Oct 24, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| 23-NA-187 | Service bulletin | Equipment, Electrical System | Oct 24, 2023 | 2023 Suburban, 2023 Tahoe |
| PIT6076 | Service bulletin | Electrical System | Oct 20, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +4 |
| PIP5942 | Service bulletin | Engine, Electrical System | Oct 20, 2023 | 2024 Suburban, 2023 Suburban, 2024 Tahoe +1 |
| PIP5943 | Service bulletin | Power Train, Equipment | Oct 19, 2023 | 2023 Camaro, 2022 Camaro, 2021 Camaro +30 |
| PIE0754B | Service bulletin | Electrical System, Seats | Oct 18, 2023 | 2023 Suburban, 2022 Suburban, 2023 Tahoe +1 |
| N232408230 | Service bulletin | Engine | Oct 18, 2023 | 2019 Express |
| PIT6075 | Service bulletin | Back Over Prevention | Oct 17, 2023 | 2023 Colorado |
| PIT6073A | Service bulletin | Seats | Oct 17, 2023 | 2024 Silverado, 2023 Silverado |
| PIT6066 | Service bulletin | Equipment | Oct 17, 2023 | 2024 Silverado |
| PIT6043A | Service bulletin | Back Over Prevention | Oct 17, 2023 | 2024 Trax |
| PIT5636D | Service bulletin | Air Bags, Fuel/Propulsion System | Oct 17, 2023 | 2019 Silverado, 2020 Silverado 2500HD |
| PIP5909A | Service bulletin | Electrical System | Oct 17, 2023 | 2024 Silverado 2500HD |
| PIC6488G | Service bulletin | Equipment | Oct 17, 2023 | 2023 Colorado |
| A23-241580 | Service bulletin | Electrical System | Oct 17, 2023 | 2024 Trailblazer, 2024 Trax |
| 23-NA-181 | Service bulletin | Service Brakes | Oct 17, 2023 | 2022 Equinox, 2023 Express, 2022 Express +1 |
| 22-NA-225 | Service bulletin | Power Train, Equipment | Oct 17, 2023 | 2024 Colorado, 2023 Colorado, 2022 Colorado +52 |
| PIP4964E | Service bulletin | Fuel/Propulsion System, Electronic Stability Control | Oct 16, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +28 |
| PIE0764A | Service bulletin | Power Train, Equipment | Oct 16, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| 23-NA-065 | Service bulletin | Equipment, Electrical System | Oct 16, 2023 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +105 |
| 21-NA-204 | Service bulletin | Engine, Electrical System | Oct 16, 2023 | 2019 Volt, 2018 Volt, 2017 Volt +1 |
| PIT5931C | Service bulletin | Back Over Prevention | Oct 12, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +9 |
| PIP5906A | Service bulletin | Fuel/Propulsion System | Oct 12, 2023 | 2024 Silverado 2500HD |
| 23-NA-023 | Service bulletin | Electrical System, Equipment | Oct 12, 2023 | 2023 Silverado, 2022 Silverado, 2023 Suburban +3 |
| 19-NA-151 | Service bulletin | Electrical System, Engine | Oct 12, 2023 | 2019 Silverado |
| 19-NA-110 | Service bulletin | Suspension, Structure | Oct 12, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 18-NA-275 | Service bulletin | Suspension, Equipment | Oct 12, 2023 | 2023 Camaro, 2022 Camaro, 2021 Camaro +3 |
| 16-NA-334 | Service bulletin | Structure, Equipment | Oct 12, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 13-03-10-001K | Service bulletin | Wheels, Equipment | Oct 12, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +15 |
| 09-08-64-014E | Service bulletin | Visibility/Wiper, Structure | Oct 12, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| PIT6074 | Service bulletin | Electrical System | Oct 11, 2023 | 2024 Silverado 2500HD |
| PIT6073 | Service bulletin | Seats | Oct 11, 2023 | 2023 Silverado |
| 23-NA-126 | Service bulletin | Equipment, Electrical System | Oct 11, 2023 | 2023 Colorado |
| 19-NA-126 | Service bulletin | Structure, Equipment | Oct 11, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 17-NA-310 | Service bulletin | Structure, Equipment | Oct 11, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 16-NA-369 | Service bulletin | Equipment, Suspension | Oct 11, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +5 |
| 05-00-89-029F | Service bulletin | Equipment | Oct 11, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +230 |
| N222375790-08 | Service bulletin | Electrical System | Oct 10, 2023 | 2023 Corvette, 2022 Corvette, 2022 Silverado +2 |
| 23-NA-148 | Service bulletin | Equipment, Fuel/Propulsion System | Oct 10, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +2 |
| 22-NA-133 | Service bulletin | Structure, Equipment | Oct 10, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 22-NA-124 | Service bulletin | Equipment, Equipment Adaptive/Mobility | Oct 10, 2023 | 2023 Bolt EUV, 2022 Bolt EUV |
| 22-NA-081 | Service bulletin | Structure, Exterior Lighting | Oct 10, 2023 | 2024 Corvette, 2023 Corvette, 2022 Corvette +2 |
| 16-NA-257 | Service bulletin | Structure, Equipment | Oct 10, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| PIT6008B | Service bulletin | Communication | Oct 9, 2023 | 2024 Silverado, 2023 Suburban, 2023 Tahoe |
| PIC6524 | Service bulletin | Electrical System | Oct 9, 2023 | 2023 Corvette |
| PIC6509B | Service bulletin | Parking Brake | Oct 9, 2023 | 2024 Trailblazer, 2024 Trax |
| PIT6070A | Service bulletin | Communication | Oct 6, 2023 | 2023 Silverado |
| PIC6523 | Service bulletin | Communication | Oct 6, 2023 | 2024 Trax |
| 23-NA-172 | Service bulletin | Power Train | Oct 6, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 22-NA-041 | Service bulletin | Equipment, Engine | Oct 6, 2023 | 2022 Corvette, 2021 Corvette, 2020 Corvette |
| 17-NA-170 | Service bulletin | Wheels, Equipment | Oct 6, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +239 |
| 01-06-01-011O | Service bulletin | Engine | Oct 6, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +173 |
| PIT6072 | Service bulletin | Electrical System | Oct 5, 2023 | 2023 Colorado |
| PIT5931B | Service bulletin | Back Over Prevention | Oct 5, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +9 |
| PIT6071 | Service bulletin | Electrical System | Oct 4, 2023 | 2024 Blazer |
| PIT6068A | Service bulletin | Electrical System, Air Bags | Oct 4, 2023 | 2024 Blazer |
| PIT6064A | Service bulletin | Communication | Oct 4, 2023 | 2024 Silverado 2500HD |
| PIT5966C | Service bulletin | Communication | Oct 4, 2023 | 2022 Blazer, 2021 Blazer, 2022 Bolt EV +23 |
| PIT6068 | Service bulletin | Electrical System, Back Over Prevention | Oct 3, 2023 | 2024 Blazer |
| 99-00-89-019Y | Service bulletin | Equipment | Oct 3, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +230 |
| 19-NA-223 | Service bulletin | Service Brakes | Oct 3, 2023 | 2024 Trailblazer, 2023 Trailblazer, 2022 Trailblazer +2 |
| PIT6067 | Service bulletin | Electrical System, Communication | Oct 2, 2023 | 2023 Colorado |
| PIT6053A | Service bulletin | Fuel/Propulsion System | Oct 2, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado |
| PIE0763 | Service bulletin | Electrical System, Structure | Oct 2, 2023 | 2024 Camaro, 2023 Camaro |
| PIE0753B | Service bulletin | Equipment, Electrical System | Oct 2, 2023 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +7 |
| 22-NA-095 | Service bulletin | Service Brakes | Oct 2, 2023 | 2022 Trailblazer, 2021 Trailblazer |
| PIE0753A | Service bulletin | Electrical System, Equipment | Sep 28, 2023 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +7 |
| N232415860-01 | Service bulletin | Engine, Fuel/Propulsion System | Sep 27, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| A232415800 | Service bulletin | Electrical System, Back Over Prevention | Sep 27, 2023 | 2024 Trax |
| PIT5950A | Service bulletin | Wheels, Equipment | Sep 26, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +3 |
| PIT5698D | Service bulletin | Electrical System | Sep 26, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +124 |
| PIT5099G | Service bulletin | Visibility/Wiper | Sep 26, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +124 |
| PIC6378C | Service bulletin | Visibility/Wiper | Sep 26, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +15 |
| 10-00-89-006J | Service bulletin | Equipment | Sep 26, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +173 |
| 02-00-89-002W | Service bulletin | Equipment | Sep 26, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +230 |
| N23-241971 | Service bulletin | Back Over Prevention | Sep 25, 2023 | 2022 Corvette |
| PIP5940 | Service bulletin | Engine | Sep 22, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +1 |
| 07-08-49-020R | Service bulletin | Electrical System, Equipment | Sep 21, 2023 | 2020 Blazer, 2019 Blazer, 2020 Bolt EV +123 |
| N232415860 | Service bulletin | Engine, Fuel/Propulsion System | Sep 20, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| N232403190 | Service bulletin | Electrical System | Sep 20, 2023 | 2023 Silverado |
| 22-NA-015 | Service bulletin | Engine, Power Train | Sep 20, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +10 |
| 22-NA-097 | Service bulletin | Service Brakes, Electrical System | Sep 19, 2023 | 2023 Trailblazer, 2022 Trailblazer |
| 21-NA-279 | Service bulletin | Engine | Sep 19, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +2 |
| PIT5895B | Service bulletin | Structure | Sep 14, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +6 |
| 12-08-51-002P | Service bulletin | Structure, Equipment | Sep 14, 2023 | 2024 Colorado, 2023 Colorado, 2022 Colorado +15 |
| 20-NA-142 | Service bulletin | Power Train | Sep 13, 2023 | 2022 Equinox, 2022 Express, 2021 Express +36 |
| PIT5941A | Service bulletin | Visibility/Wiper, Electrical System | Sep 12, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| PIT5823A | Service bulletin | Electrical System, Fuel/Propulsion System | Sep 12, 2023 | 2022 Equinox, 2021 Equinox, 2020 Equinox +2 |
| 23-NA-159 | Service bulletin | Electrical System, Engine | Sep 12, 2023 | 2022 Silverado 3500HD, 2022 4500, 2022 4500HD +7 |
| 22-NA-170 | Service bulletin | Electrical System, Exterior Lighting | Sep 12, 2023 | 2024 Equinox, 2023 Equinox, 2022 Equinox +4 |
| N232422290 | Service bulletin | Equipment | Sep 11, 2023 | 2024 Blazer |
| 23-NA-155 | Service bulletin | Equipment | Sep 11, 2023 | 2024 Suburban, 2023 Suburban, 2022 Suburban +5 |
| PIP5939 | Service bulletin | Electrical System | Sep 8, 2023 | 2023 Corvette |
| N232417940 | Service bulletin | Wheels | Sep 8, 2023 | 2023 Colorado |
| N23-2418150 | Service bulletin | Electrical System | Sep 8, 2023 | 2023 Corvette |
| N23-2407890 | Service bulletin | Electrical System | Sep 8, 2023 | 2023 Corvette |
| 21-NA-220 | Service bulletin | Engine, Electrical System | Sep 8, 2023 | 2024 Malibu, 2023 Malibu, 2022 Malibu +6 |
| N222389360 | Service bulletin | Structure | Sep 7, 2023 | 2022 Colorado, 2021 Colorado, 2020 Colorado +4 |
| 23-NA-029 | Service bulletin | Power Train | Sep 7, 2023 | 2023 Blazer, 2023 Traverse |
| PIT5869A | Service bulletin | Electrical System, Visibility/Wiper | Sep 6, 2023 | 2024 Suburban, 2023 Suburban, 2022 Suburban +5 |
| 17-NA-281 | Service bulletin | Power Train | Sep 6, 2023 | 2024 Equinox, 2023 Equinox, 2022 Equinox +26 |
| PIE0760 | Service bulletin | Engine, Electrical System | Sep 5, 2023 | 2024 Silverado, 2023 Silverado |
| N23-2411312 | Service bulletin | Back Over Prevention, Electrical System | Sep 5, 2023 | 2023 Colorado |
| N23-2411311 | Service bulletin | Back Over Prevention, Electrical System | Sep 5, 2023 | 2023 Colorado |
| N23-240353 | Service bulletin | Electrical System, Back Over Prevention | Sep 5, 2023 | 2024 Silverado |
| N222375791-08 | Service bulletin | Electrical System | Sep 5, 2023 | 2022 Blazer, 2023 Camaro, 2022 Camaro +8 |
| N222375790-07 | Service bulletin | Electrical System | Sep 5, 2023 | 2023 Corvette, 2022 Corvette, 2022 Silverado +2 |
| 23-NA-150 | Service bulletin | Engine, Electrical System | Sep 5, 2023 | 2023 Silverado 2500HD, 2022 Silverado 2500HD, 2021 Silverado 2500HD +5 |
| 23-NA-147 | Service bulletin | Seats | Sep 5, 2023 | 2024 Silverado |
| PIP4112T | Service bulletin | Engine, Power Train | Sep 1, 2023 | 2018 Camaro, 2017 Camaro, 2016 Camaro +28 |
| N23-241128 | Service bulletin | Electrical System, Equipment | Sep 1, 2023 | 2022 Suburban, 2022 Tahoe |
| PIT6018G | Service bulletin | Equipment | Aug 31, 2023 | 2024 Blazer, 2023 Colorado, 2024 Silverado |
| N23-241272 | Service bulletin | Electrical System | Aug 31, 2023 | 2024 Silverado |
| PIT6035 | Service bulletin | Equipment | Aug 30, 2023 | 2024 Blazer |
| PIT6019 | Service bulletin | Equipment | Aug 30, 2023 | 2024 Silverado |
| PIT5985B | Service bulletin | Power Train | Aug 30, 2023 | 2024 Blazer, 2023 Colorado, 2024 Corvette +16 |
| PIT5832J | Service bulletin | Equipment | Aug 30, 2023 | 2024 Blazer, 2023 Colorado, 2024 Corvette +16 |
| PIP5931 | Service bulletin | Equipment | Aug 30, 2023 | 2024 Blazer |
| PIP5930 | Service bulletin | Structure, Equipment | Aug 30, 2023 | 2024 Blazer |
| PIC6488F | Service bulletin | Equipment | Aug 30, 2023 | 2023 Colorado |
| 20-NA-100 | Service bulletin | Electrical System, Engine | Aug 30, 2023 | 2020 Silverado, 2019 Silverado |
| PIT5551L | Service bulletin | Forward Collision Avoidance | Aug 29, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +70 |
| PIC6488E | Service bulletin | Equipment | Aug 29, 2023 | 2023 Colorado |
| PIT6054 | Service bulletin | Structure | Aug 28, 2023 | 2024 Silverado, 2023 Silverado |
| PIT6053 | Service bulletin | Fuel/Propulsion System | Aug 25, 2023 | 2023 Silverado, 2022 Silverado |
| PIT6052 | Service bulletin | Structure | Aug 24, 2023 | 2020 Tahoe, 2019 Tahoe |
| PIP5621D | Service bulletin | Power Train | Aug 24, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +113 |
| N222384940 | Service bulletin | Engine | Aug 24, 2023 | 2022 Silverado, 2019 Silverado |
| 09-04-20-001H | Service bulletin | Power Train, Wheels | Aug 24, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +15 |
| 17-NA-408 | Service bulletin | Engine | Aug 23, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +9 |
| PIP5938 | Service bulletin | Engine | Aug 22, 2023 | 2024 Trailblazer, 2023 Trailblazer, 2022 Trailblazer +2 |
| N23-240985 | Service bulletin | Equipment, Forward Collision Avoidance | Aug 22, 2023 | 2022 Silverado |
| 22-NA-187 | Service bulletin | Electrical System, Power Train | Aug 22, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +18 |
| PIT6050 | Service bulletin | Electronic Stability Control | Aug 21, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +27 |
| PIT6018F | Service bulletin | Equipment | Aug 21, 2023 | 2023 Colorado, 2024 Silverado |
| PIT6008A | Service bulletin | Equipment | Aug 21, 2023 | 2024 Silverado |
| N232409000 | Service bulletin | Electrical System | Aug 21, 2023 | 2023 Colorado |
| N222375790-06 | Service bulletin | Electrical System | Aug 21, 2023 | 2023 Corvette, 2022 Corvette, 2022 Silverado +2 |
| PIE0748A | Service bulletin | Engine | Aug 18, 2023 | 2023 Trailblazer |
| 23-NA-144 | Service bulletin | Service Brakes | Aug 18, 2023 | 2022 Equinox, 2023 Express, 2022 Express +24 |
| 21-NA-067 | Service bulletin | Structure, Equipment | Aug 18, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +12 |
| PIT6049 | Service bulletin | Electrical System | Aug 17, 2023 | 2023 Suburban, 2023 Tahoe |
| PIT6047B | Service bulletin | Back Over Prevention, Equipment | Aug 17, 2023 | 2024 Blazer, 2023 Colorado, 2024 Silverado |
| PIT6018E | Service bulletin | Equipment | Aug 17, 2023 | 2023 Colorado, 2024 Silverado |
| 23-NA-082 | Service bulletin | Electrical System, Equipment | Aug 17, 2023 | 2023 Blazer |
| PIE0750A | Service bulletin | Engine | Aug 16, 2023 | 2024 Trailblazer, 2023 Trailblazer, 2024 Trax |
| PIE0749A | Service bulletin | Seats | Aug 16, 2023 | 2023 Blazer, 2022 Blazer |
| PIE0742A | Service bulletin | Engine | Aug 16, 2023 | 2023 Blazer, 2022 Blazer |
| PIE0733A | Service bulletin | Engine, Equipment | Aug 16, 2023 | 2023 Blazer, 2022 Blazer |
| N23-241156 | Service bulletin | Electrical System, Back Over Prevention | Aug 16, 2023 | 2023 Silverado, 2022 Silverado, 2021 Suburban +2 |
| 21-NA-283 | Service bulletin | Suspension, Electrical System | Aug 16, 2023 | 2023 Corvette, 2022 Corvette, 2021 Corvette +1 |
| PIE0758 | Service bulletin | Engine | Aug 15, 2023 | 2023 Trailblazer |
| N23-240984 | Service bulletin | Forward Collision Avoidance, Electrical System | Aug 15, 2023 | 2023 Silverado |
| 19-NA-167 | Service bulletin | Structure, Electrical System | Aug 15, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +2 |
| 09-00-89-016H | Service bulletin | Equipment | Aug 15, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +230 |
| PIT6047A | Service bulletin | Equipment | Aug 14, 2023 | 2024 Blazer, 2023 Colorado, 2024 Silverado |
| 23-NA-030 | Service bulletin | Electrical System, Seats | Aug 14, 2023 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +1 |
| 20-NA-116 | Service bulletin | Power Train, Engine | Aug 14, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +3 |
| 23-NA-138 | Service bulletin | Engine, Electrical System | Aug 11, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +8 |
| 21-NA-210 | Service bulletin | Equipment, Engine | Aug 11, 2023 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +6 |
| PIP5628G | Service bulletin | Engine | Aug 10, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +113 |
| N232408340 | Service bulletin | Equipment | Aug 10, 2023 | 2023 Tahoe, 2022 Tahoe |
| 21-NA-214 | Service bulletin | Power Train, Engine | Aug 10, 2023 | 2020 Silverado 2500HD, 2020 Silverado 3500HD |
| PIT6048 | Service bulletin | Power Train | Aug 9, 2023 | 2023 Colorado |
| PIT6044A | Service bulletin | Back Over Prevention | Aug 9, 2023 | 2024 Blazer, 2023 Silverado |
| PIT6018D | Service bulletin | Equipment | Aug 9, 2023 | 2023 Colorado, 2024 Silverado |
| PIP5908A | Service bulletin | Fuel/Propulsion System | Aug 9, 2023 | 2024 Silverado 2500HD |
| N23-241182 | Service bulletin | Forward Collision Avoidance | Aug 9, 2023 | 2021 Suburban, 2021 Tahoe |
| N222371151-10 | Service bulletin | Steering | Aug 9, 2023 | 2022 Blazer, 2022 Silverado, 2022 Silverado 2500HD +4 |
| PIT6018C | Service bulletin | Back Over Prevention | Aug 8, 2023 | 2023 Colorado, 2024 Silverado |
| PIE0745A | Service bulletin | Seats | Aug 8, 2023 | 2023 Traverse, 2022 Traverse, 2021 Traverse +1 |
| PIC6488D | Service bulletin | Equipment | Aug 8, 2023 | 2023 Colorado, 2024 Silverado |
| N232411300 | Service bulletin | Service Brakes | Aug 8, 2023 | 2023 Silverado |
| 23-NA-067 | Service bulletin | Electrical System, Steering | Aug 8, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| PIT6047 | Service bulletin | Equipment | Aug 7, 2023 | 2024 Blazer, 2023 Colorado, 2024 Silverado |
| PIT6046 | Service bulletin | Back Over Prevention | Aug 7, 2023 | 2023 Equinox, 2022 Equinox |
| PIP5919B | Service bulletin | Fuel/Propulsion System | Aug 7, 2023 | 2024 Silverado 2500HD |
| PIP5918A | Service bulletin | Equipment | Aug 7, 2023 | 2024 Silverado 2500HD |
| N23-239807 | Service bulletin | Equipment, Electrical System | Aug 7, 2023 | 2023 Silverado |
| 15-00-89-004F | Service bulletin | Steering, Engine | Aug 7, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +231 |
| 23-NA-129 | Service bulletin | Power Train, Electrical System | Aug 4, 2023 | 2024 Equinox, 2023 Equinox |
| PIT6045 | Service bulletin | Electrical System, Power Train | Aug 3, 2023 | 2023 Colorado |
| PIT6044 | Service bulletin | Back Over Prevention | Aug 3, 2023 | 2023 Blazer, 2023 Silverado |
| SB23-01 | Service bulletin | Equipment, Steering | Aug 2, 2023 | 2023 Camaro, 2022 Camaro, 2021 Camaro +5 |
| PIT6018B | Service bulletin | Equipment | Aug 2, 2023 | 2023 Colorado |
| PIP5847A | Service bulletin | Back Over Prevention | Aug 2, 2023 | 2023 Silverado, 2021 Silverado, 2019 Silverado +2 |
| PIC6488C | Service bulletin | Equipment | Aug 2, 2023 | 2023 Colorado |
| N222375791-07 | Service bulletin | Electrical System | Aug 2, 2023 | 2022 Blazer, 2023 Camaro, 2022 Camaro +10 |
| 10-06-05-002M | Service bulletin | Fuel/Propulsion System, Engine | Aug 2, 2023 | 2022 Colorado, 2021 Colorado, 2020 Colorado +47 |
| PIT6042A | Service bulletin | Equipment | Aug 1, 2023 | 2023 Colorado |
| PIP5853E | Service bulletin | Equipment | Aug 1, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +2 |
| PIE0757 | Service bulletin | Engine | Aug 1, 2023 | 2023 Traverse |
| PIE0751A | Service bulletin | Equipment, Structure | Aug 1, 2023 | 2023 Suburban, 2023 Tahoe |
| 04-06-04-051H | Service bulletin | Engine, Fuel/Propulsion System | Aug 1, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +215 |
| 03-06-04-017T | Service bulletin | Fuel/Propulsion System | Aug 1, 2023 | 2022 Colorado, 2021 Colorado, 2020 Colorado +46 |
| 01-00-89-010R | Service bulletin | Equipment | Aug 1, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +229 |
| PIT5909B | Service bulletin | Equipment | Jul 31, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +4 |
| PIE0747D | Service bulletin | Engine, Equipment | Jul 31, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado |
| 22-NA-232 | Service bulletin | Power Train, Engine | Jul 31, 2023 | 2023 Camaro, 2022 Camaro, 2021 Camaro +12 |
| 09-06-04-026X | Service bulletin | Engine, Electrical System | Jul 31, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +152 |
| 03-06-01-023G | Service bulletin | Engine | Jul 31, 2023 | 2022 Equinox, 2022 Express, 2021 Express +69 |
| PIT6043 | Service bulletin | Equipment | Jul 27, 2023 | 2024 Trax |
| PIP5937 | Service bulletin | Equipment | Jul 27, 2023 | 2023 Corvette, 2022 Corvette, 2021 Corvette +1 |
| PIE0756 | Service bulletin | Structure | Jul 27, 2023 | 2023 Traverse |
| N232412710 | Service bulletin | Engine | Jul 27, 2023 | 2019 Silverado |
| N232404810 | Service bulletin | Engine | Jul 27, 2023 | 2019 Express |
| N232395310 | Service bulletin | Engine, Fuel/Propulsion System | Jul 27, 2023 | 2020 Blazer, 2021 Silverado, 2021 Trailblazer +1 |
| N222392451 | Service bulletin | Engine | Jul 27, 2023 | 2023 Camaro |
| PIT6042 | Service bulletin | Equipment | Jul 26, 2023 | 2023 Colorado |
| PIT6018A | Service bulletin | Back Over Prevention | Jul 26, 2023 | 2023 Colorado |
| PIE0701B | Service bulletin | Structure, Equipment | Jul 26, 2023 | 2022 Silverado, 2021 Silverado, 2020 Silverado |
| PIC6513 | Service bulletin | Equipment, Electrical System | Jul 26, 2023 | 2023 Bolt EV, 2022 Bolt EV |
| 23-NA-133 | Service bulletin | Steering | Jul 26, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| PIP5907A | Service bulletin | Engine | Jul 25, 2023 | 2024 Silverado 2500HD |
| PIE0747C | Service bulletin | Equipment, Engine | Jul 25, 2023 | 2023 Silverado, 2022 Silverado |
| PIC6514 | Service bulletin | Equipment | Jul 25, 2023 | 2024 Trax |
| N222375791-06 | Service bulletin | Electrical System | Jul 25, 2023 | 2022 Blazer, 2022 Colorado, 2022 Silverado +6 |
| 23-NA-116 | Service bulletin | Engine | Jul 25, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| N232402000 | Service bulletin | Wheels, Structure | Jul 24, 2023 | 2023 Traverse |
| N222383020 | Service bulletin | Power Train, Engine | Jul 24, 2023 | 2022 Silverado |
| 23-NA-130 | Service bulletin | Equipment, Electrical System | Jul 24, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +2 |
| PIE0728A | Service bulletin | Structure | Jul 21, 2023 | 2023 Corvette |
| 23-NA-131 | Service bulletin | Equipment | Jul 21, 2023 | 2024 Camaro |
| 17-NA-066 | Service bulletin | Power Train | Jul 21, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +230 |
| PIP5936A | Service bulletin | Equipment | Jul 20, 2023 | 2024 Silverado 2500HD |
| N232404821 | Service bulletin | Electrical System, Power Train | Jul 20, 2023 | 2023 Bolt EUV, 2023 Bolt EV |
| N232404820 | Service bulletin | Electrical System, Power Train | Jul 20, 2023 | 2023 Bolt EUV, 2023 Bolt EV |
| 22-NA-209 | Service bulletin | Electrical System, Equipment | Jul 20, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| PIP5936 | Service bulletin | Fuel/Propulsion System | Jul 19, 2023 | 2024 Silverado 2500HD |
| PIP5395G | Service bulletin | Back Over Prevention, Fuel/Propulsion System | Jul 19, 2023 | 2023 Camaro, 2022 Camaro, 2021 Camaro +17 |
| PIE0743A | Service bulletin | Structure, Equipment | Jul 19, 2023 | 2023 Suburban, 2023 Tahoe |
| N232395710 | Service bulletin | Structure | Jul 19, 2023 | 2022 Silverado, 2019 Silverado |
| 17-NA-280 | Service bulletin | Service Brakes, Equipment | Jul 19, 2023 | 2024 Camaro, 2023 Camaro, 2022 Camaro +4 |
| PIT6041 | Service bulletin | Seats | Jul 18, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| PIT5551K | Service bulletin | Forward Collision Avoidance | Jul 18, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +62 |
| PIP5358C | Service bulletin | Equipment | Jul 18, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +113 |
| 23-NA-027 | Service bulletin | Fuel/Propulsion System, Electrical System | Jul 18, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +17 |
| PIP5935 | Service bulletin | Equipment | Jul 17, 2023 | 2023 Silverado, 2021 Silverado, 2020 Silverado +1 |
| PIP5797E | Service bulletin | Power Train | Jul 17, 2023 | 2023 Corvette, 2022 Corvette, 2021 Corvette +1 |
| PIE0754 | Service bulletin | Electrical System, Seats | Jul 17, 2023 | 2023 Suburban, 2022 Suburban, 2023 Tahoe +1 |
| PIC6512 | Service bulletin | Equipment, Exterior Lighting | Jul 17, 2023 | 2023 Corvette, 2022 Corvette, 2021 Corvette +1 |
| 99-09-40-005I | Service bulletin | Seat Belts | Jul 17, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +229 |
| 23-NA-085 | Service bulletin | Air Bags, Electrical System | Jul 17, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| 21-NA-026 | Service bulletin | Equipment | Jul 17, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +221 |
| SB 23-01 | Service bulletin | Steering, Suspension | Jul 14, 2023 | 2023 Camaro, 2022 Camaro, 2021 Camaro +5 |
| 22-NA-023 | Service bulletin | Electrical System, Equipment | Jul 14, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +9 |
| PIT6039 | Service bulletin | Equipment | Jul 13, 2023 | 2023 Colorado |
| PIP4902R | Service bulletin | Equipment | Jul 13, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +113 |
| 07-08-42-006S | Service bulletin | Exterior Lighting, Electrical System | Jul 13, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +17 |
| PIT6040 | Service bulletin | Exterior Lighting, Electrical System | Jul 12, 2023 | 2023 Silverado, 2024 Silverado 2500HD |
| PIT5990A | Service bulletin | Structure, Back Over Prevention | Jul 12, 2023 | 2023 Silverado, 2021 Silverado, 2019 Silverado +8 |
| 23-NA-117 | Service bulletin | Equipment, Exterior Lighting | Jul 12, 2023 | 2023 Silverado, 2022 Silverado, 2024 Silverado 2500HD +1 |
| N222375790-05 | Service bulletin | Electrical System | Jul 11, 2023 | 2023 Corvette, 2022 Corvette, 2022 Silverado +2 |
| PIT5734F | Service bulletin | Visibility/Wiper | Jul 5, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +7 |
| PIT6038 | Service bulletin | Electrical System, Engine | Jun 30, 2023 | 2023 Colorado |
| PIP5934 | Service bulletin | Communication, Engine | Jun 30, 2023 | 2023 Silverado, 2022 Silverado 2500HD |
| PIP5933 | Service bulletin | Communication | Jun 30, 2023 | 2024 Silverado 2500HD |
| PIE0716A | Service bulletin | Engine | Jun 30, 2023 | 2022 Blazer |
| 99-08-51-001F | Service bulletin | Structure | Jun 30, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +184 |
| 01-06-01-011N | Service bulletin | Engine | Jun 30, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +170 |
| PIT6037 | Service bulletin | Visibility/Wiper | Jun 29, 2023 | 2023 Colorado |
| PIT6036 | Service bulletin | Structure | Jun 29, 2023 | 2022 Silverado, 2021 Silverado, 2020 Silverado +1 |
| N232403290 | Service bulletin | Power Train | Jun 29, 2023 | 2023 Silverado |
| N232395300 | Service bulletin | Engine | Jun 29, 2023 | 2020 Sonic, 2019 Traverse, 2020 Trax |
| 21-NA-005 | Service bulletin | Air Bags, Electrical System | Jun 29, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +19 |
| 13-08-116-001I | Service bulletin | Electrical System | Jun 29, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +231 |
| PIP5932 | Service bulletin | Electrical System, Engine | Jun 28, 2023 | 2024 Trax |
| PIP5928A | Service bulletin | Power Train | Jun 28, 2023 | 2023 Silverado, 2022 Silverado, 2023 Tahoe +1 |
| 23-NA-113 | Service bulletin | Electrical System, Equipment | Jun 28, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| 23-NA-042 | Service bulletin | Equipment, Electrical System | Jun 28, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +31 |
| PIT6026C | Service bulletin | Electrical System | Jun 27, 2023 | 2022 Suburban, 2022 Tahoe |
| PIT5973C | Service bulletin | Electrical System | Jun 27, 2023 | 2023 Suburban, 2022 Suburban, 2023 Tahoe +1 |
| PIE0735C | Service bulletin | Power Train | Jun 27, 2023 | 2023 Corvette |
| PIT6034 | Service bulletin | Equipment | Jun 26, 2023 | 2024 Blazer |
| PIT6032B | Service bulletin | Engine | Jun 26, 2023 | 2023 Silverado, 2022 Silverado, 2023 Suburban +3 |
| PIP5926B | Service bulletin | Power Train | Jun 26, 2023 | 2024 Silverado 2500HD, 2023 Silverado 2500HD, 2022 Silverado 2500HD +2 |
| N232408020 | Service bulletin | Equipment | Jun 26, 2023 | 2023 Blazer |
| N222365910 | Service bulletin | Suspension | Jun 26, 2023 | 2022 Silverado, 2019 Silverado |
| 22-NA-100 | Service bulletin | Equipment, Electronic Stability Control | Jun 23, 2023 | 2022 Blazer |
| 23-NA-018 | Service bulletin | Service Brakes, Wheels | Jun 22, 2023 | 2020 Silverado, 2019 Silverado |
| 23-NA-003 | Service bulletin | Service Brakes, Power Train | Jun 22, 2023 | 2022 Colorado |
| 22-NA-137 | Service bulletin | Power Train | Jun 22, 2023 | 2022 Silverado 2500HD, 2022 Silverado 3500HD |
| 20-NA-182 | Service bulletin | Electrical System, Service Brakes | Jun 22, 2023 | 2022 Silverado, 2021 Silverado, 2020 Silverado +2 |
| PIT6033 | Service bulletin | Suspension | Jun 21, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| PIT6032A | Service bulletin | Visibility/Wiper | Jun 20, 2023 | 2023 Silverado, 2022 Silverado, 2023 Suburban +3 |
| PIT5697C | Service bulletin | Back Over Prevention | Jun 20, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +7 |
| PIP5843C | Service bulletin | Exterior Lighting | Jun 20, 2023 | 2023 Colorado, 2023 Silverado, 2022 Silverado +3 |
| N23-240810 | Service bulletin | Electrical System | Jun 20, 2023 | 2024 Silverado, 2024 Silverado 2500HD |
| N22-239123 | Service bulletin | Electrical System | Jun 20, 2023 | 2022 Tahoe |
| 23-NA-101 | Service bulletin | Fuel/Propulsion System, Equipment | Jun 20, 2023 | 2023 Silverado 2500HD, 2022 Silverado 2500HD, 2023 Silverado 3500HD +1 |
| PIT5977F | Service bulletin | Equipment | Jun 19, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado 2500HD +4 |
| PIT5801C | Service bulletin | Electronic Stability Control, Suspension | Jun 19, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| PIP5910A | Service bulletin | Fuel/Propulsion System | Jun 19, 2023 | 2024 Silverado 2500HD |
| N222375791-05 | Service bulletin | Electrical System | Jun 19, 2023 | 2023 Blazer, 2022 Blazer, 2023 Camaro +6 |
| N222371151-09 | Service bulletin | Steering | Jun 19, 2023 | 2022 Blazer, 2022 Silverado, 2022 Silverado 2500HD +4 |
| PIP5929 | Service bulletin | Equipment | Jun 16, 2023 | 2023 Trailblazer, 2022 Trailblazer, 2021 Trailblazer +1 |
| PIP5926A | Service bulletin | Power Train | Jun 16, 2023 | 2024 Silverado 2500HD, 2023 Silverado 2500HD, 2022 Silverado 2500HD +2 |
| PIC6462A | Service bulletin | Electrical System | Jun 16, 2023 | 2022 Spark, 2021 Spark, 2020 Spark +4 |
| N23-241010 | Service bulletin | Electrical System, Visibility/Wiper | Jun 16, 2023 | 2021 Corvette |
| 23-NA-108 | Service bulletin | Electrical System, Equipment | Jun 16, 2023 | 2023 Equinox, 2022 Equinox, 2023 Suburban +5 |
| PIT6032 | Service bulletin | Visibility/Wiper | Jun 14, 2023 | 2023 Silverado, 2022 Silverado, 2023 Suburban +3 |
| PIT5966B | Service bulletin | Equipment | Jun 14, 2023 | 2022 Blazer, 2021 Blazer, 2022 Bolt EV +23 |
| 23-NA-105 | Service bulletin | Equipment | Jun 14, 2023 | 2022 Equinox, 2022 Express |
| 23-NA-007 | Service bulletin | Equipment, Electrical System | Jun 14, 2023 | 2023 Corvette, 2022 Corvette, 2021 Corvette +6 |
| PIP5928 | Service bulletin | Power Train | Jun 13, 2023 | 2023 Silverado, 2022 Silverado, 2023 Tahoe +1 |
| PIP5927 | Service bulletin | Engine, Power Train | Jun 13, 2023 | 2023 Equinox |
| PIT6031 | Service bulletin | Electrical System | Jun 12, 2023 | 2022 Silverado, 2021 Silverado, 2020 Silverado +1 |
| PIC6338D | Service bulletin | Equipment, Structure | Jun 12, 2023 | 2019 Corvette |
| N232398030 | Service bulletin | Equipment | Jun 12, 2023 | 2022 Silverado |
| 23-NA-013 | Service bulletin | Electrical System, Equipment Adaptive/Mobility | Jun 12, 2023 | 2022 Silverado, 2021 Silverado, 2020 Silverado +9 |
| 21-NA-061 | Service bulletin | Electrical System, Equipment | Jun 12, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +106 |
| PIT5999A | Service bulletin | Equipment | Jun 9, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado +4 |
| PIT5923A | Service bulletin | Suspension, Electronic Stability Control | Jun 9, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| PIT4261J | Service bulletin | Tires | Jun 9, 2023 | 2022 Blazer, 2021 Blazer, 2020 Blazer +113 |
| PIE0747B | Service bulletin | Visibility/Wiper, Equipment | Jun 9, 2023 | 2023 Silverado, 2022 Silverado |
| 23-NA-089 | Service bulletin | Engine, Power Train | Jun 9, 2023 | 2023 Camaro |
| PIT6029 | Service bulletin | Electrical System | Jun 8, 2023 | 2023 Colorado |
| 23-NA-095 | Service bulletin | Lane Departure, Forward Collision Avoidance | Jun 8, 2023 | 2023 Silverado, 2022 Silverado |
| 21-NA-118 | Service bulletin | Engine | Jun 8, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +1 |
| PIP5926 | Service bulletin | Power Train | Jun 7, 2023 | 2024 Silverado 2500HD, 2023 Silverado 2500HD, 2022 Silverado 2500HD +7 |
| PIE0739A | Service bulletin | Structure | Jun 7, 2023 | 2023 Suburban, 2023 Tahoe |
| 04-07-30-013E | Service bulletin | Power Train, Engine | Jun 7, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +176 |
| PIE0747A | Service bulletin | Equipment, Engine | Jun 5, 2023 | 2023 Silverado, 2022 Silverado |
| N222375791-04 | Service bulletin | Electrical System | Jun 5, 2023 | 2022 Blazer, 2023 Camaro, 2022 Camaro +6 |
| N222371150-03 | Service bulletin | Steering | Jun 5, 2023 | 2022 Silverado, 2023 Trailblazer, 2022 Trailblazer |
| PIT6026B | Service bulletin | Equipment | Jun 2, 2023 | 2022 Suburban, 2022 Tahoe |
| PIT6027 | Service bulletin | Back Over Prevention | Jun 1, 2023 | 2023 Colorado |
| PIT5977E | Service bulletin | Equipment | Jun 1, 2023 | 2024 Silverado, 2023 Silverado, 2022 Silverado 2500HD +4 |
| 23-NA-099 | Service bulletin | Equipment, Electrical System | Jun 1, 2023 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| 23-NA-062 | Service bulletin | Electrical System, Back Over Prevention | Jun 1, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +30 |
| 02-00-89-002V | Service bulletin | Equipment | Jun 1, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +233 |
| PIT6009A | Service bulletin | Equipment | May 31, 2023 | 2023 Blazer |
| PIP5916B | Service bulletin | Engine | May 31, 2023 | 2024 Silverado 2500HD |
| PIE0753 | Service bulletin | Equipment, Electrical System | May 31, 2023 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +6 |
| PIC6338C | Service bulletin | Equipment | May 31, 2023 | 2019 Corvette |
| 22-NA-061 | Service bulletin | Service Brakes | May 31, 2023 | 2019 Express, 2018 Express, 2017 Express +2 |
| PIP5919A | Service bulletin | Fuel/Propulsion System, Engine | May 30, 2023 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| PIP5916A | Service bulletin | Engine | May 30, 2023 | 2024 Silverado 2500HD |
| 08-07-30-026H | Service bulletin | Power Train | May 30, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +177 |
| PIE0751 | Service bulletin | Equipment, Structure | May 26, 2023 | 2023 Suburban, 2023 Tahoe |
| PIT6026A | Service bulletin | Electrical System | May 25, 2023 | 2022 Suburban, 2022 Tahoe |
| PIC6449B | Service bulletin | Vehicle Speed Control | May 25, 2023 | 2022 Bolt EUV, 2022 Bolt EV, 2021 Bolt EV +4 |
| PIT5843B | Service bulletin | Parking Brake, Vehicle Speed Control | May 24, 2023 | 2023 Blazer, 2022 Blazer, 2021 Blazer +1 |
| N232404880 | Service bulletin | Equipment | May 24, 2023 | 2023 Silverado 2500HD, 2023 Silverado 3500HD |
| N222385510 | Service bulletin | Equipment | May 24, 2023 | 2021 Traverse |
| N222371151-08 | Service bulletin | Steering | May 24, 2023 | 2022 Blazer, 2022 Silverado, 2022 Silverado 2500HD +3 |
| PIT6026 | Service bulletin | Equipment | May 23, 2023 | 2022 Suburban, 2022 Tahoe |
| PIT6025 | Service bulletin | Service Brakes | May 23, 2023 | 2023 Colorado |
| PIT6020 | Service bulletin | Equipment | May 23, 2023 | 2024 Silverado |
| PIP5925 | Service bulletin | Air Bags | May 23, 2023 | 2023 Silverado 2500HD, 2022 Silverado 2500HD, 2021 Silverado 2500HD +1 |
| N23-240012 | Service bulletin | Exterior Lighting | May 23, 2023 | 2023 Silverado |
| N222375790 | Service bulletin | Electrical System | May 23, 2023 | 2023 Corvette, 2022 Corvette, 2022 Silverado |
| N222371151-07 | Service bulletin | Steering | May 23, 2023 | 2022 Blazer, 2022 Silverado, 2022 Silverado 2500HD +3 |
| PIT5977D | Service bulletin | Equipment | May 22, 2023 | 2023 Silverado, 2022 Silverado 2500HD, 2023 Suburban +3 |
| PIT5909A | Service bulletin | Equipment | May 22, 2023 | 2023 Silverado, 2022 Silverado, 2021 Silverado +3 |
| PIT5544G | Service bulletin | Power Train, Back Over Prevention | May 22, 2023 | 2024 Silverado 2500HD, 2023 Silverado 2500HD, 2022 Silverado 2500HD +6 |
| PIT5509K | Service bulletin | Air Bags, Trailer Hitches | May 22, 2023 | 2024 Colorado, 2023 Colorado, 2022 Colorado +33 |
| 12-03-10-001E | Service bulletin | Wheels | May 22, 2023 | 2024 Blazer, 2023 Blazer, 2022 Blazer +234 |
| PIT6024 | Service bulletin | Electrical System | May 19, 2023 | 2023 Colorado |
| PIT3665M | Service bulletin | Electrical System | May 19, 2023 | 2022 Equinox, 2023 Express, 2021 Express +18 |
| PIP5924 | Service bulletin | Power Train | May 19, 2023 | 2022 Trax, 2021 Trax, 2020 Trax +3 |
| PIT6023 | Service bulletin | Electrical System | May 18, 2023 | 2024 Silverado |
| 23-NA-060 | Service bulletin | Structure | May 18, 2023 | 2023 Traverse |