Buick Envision 2021–2025 — service campaign
Bulletin N242435630-05 · NHTSA communication 11020863 · issued Jul 23, 2025
Service campaign
communication type
Unknown OR 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.