Buick Envision 2021–2025 — service campaign
Bulletin N242435630-05 · NHTSA communication 11020863 · issued Jul 23, 2025
Service campaign
communication type
Unknown / Other
component
2021–2025
model years
29
vehicle entries
Official summary
Customer Satisfaction Program. Certain model years and vehicle makes noted in the table above may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.
Vehicles covered
- 2022 Buick Envision
- 2023 Buick Envision
- 2021 Cadillac CT4
- 2022 Cadillac CT4
- 2023 Cadillac CT4
- 2024 Cadillac CT4
- 2025 Cadillac CT4
- 2021 Cadillac CT5
- 2022 Cadillac CT5
- 2023 Cadillac CT5
- 2024 Cadillac CT5
- 2021 Cadillac Escalade
- 2022 Cadillac Escalade
- 2023 Cadillac Escalade
- 2024 Cadillac Escalade
- 2023 Chevrolet Corvette
- 2023 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 2500
- 2024 Chevrolet Silverado 3500
- 2023 Chevrolet Suburban
- 2024 Chevrolet Suburban
- 2023 Chevrolet Tahoe
- 2024 Chevrolet Tahoe
- 2023 GMC Sierra 1500
- 2024 GMC Sierra 1500
- 2024 GMC Sierra 2500
- 2024 GMC Sierra 3500
- 2024 GMC Yukon
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.