Buick Envision 2021–2023 — technical service bulletin
Bulletin N252516900 · NHTSA communication 11023093 · issued Sep 11, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2021–2023
model years
23
vehicle entries
Official summary
Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
Vehicles covered
- 2022 Buick Envision
- 2021 Cadillac Escalade
- 2021 Cadillac Escalade Esv
- 2021 Cadillac XT4
- 2022 Cadillac XT4
- 2023 Cadillac XT4
- 2021 Cadillac XT5
- 2022 Cadillac XT5
- 2021 Cadillac XT6
- 2022 Cadillac XT6
- 2021 Chevrolet Blazer
- 2021 Chevrolet Camaro
- 2022 Chevrolet Equinox
- 2021 Chevrolet Express
- 2021 Chevrolet Malibu
- 2021 Chevrolet Suburban
- 2021 Chevrolet Tahoe
- 2021 GMC Acadia
- 2022 GMC Acadia
- 2021 GMC Savana
- 2022 GMC Terrain
- 2021 GMC Yukon
- 2021 GMC Yukon XL
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.