Buick Envision 2020–2025 — technical service bulletin
Bulletin PIE0794E · NHTSA communication 11019515 · issued Apr 14, 2025
Technical service bulletin
communication type
Engine
component
2020–2025
model years
18
vehicle entries
Official summary
This engineering information (EI Lite) ends the need for gathering further information using the Field Product Reporting (FPR) App process for vehicles where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles.
Vehicles covered
- 2024 Buick Envision
- 2025 Buick Envision
- 2024 Cadillac CT4
- 2025 Cadillac CT4
- 2024 Cadillac CT5
- 2025 Cadillac CT5
- 2024 Cadillac XT4
- 2025 Cadillac XT4
- 2024 Cadillac XT5
- 2025 Cadillac XT5
- 2024 Cadillac XT6
- 2025 Cadillac XT6
- 2024 Chevrolet Blazer
- 2025 Chevrolet Blazer
- 2020 GMC Acadia
- 2021 GMC Acadia
- 2022 GMC Acadia
- 2023 GMC Acadia
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.