Brightdrop 600 Elcv 2020–2027 — technical service bulletin
Bulletin PIP6098 · NHTSA communication 11027701 · issued Jan 14, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2020–2027
model years
60
vehicle entries
Official summary
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
Vehicles covered
- 2023 Brightdrop 600 Elcv
- 2024 Brightdrop 600 Elcv
- 2022 Brightdrop EV600
- 2024 Brightdrop Zevo 400
- 2023 Brightdrop Zevo 600
- 2024 Brightdrop Zevo 600
- 2020 Buick Enclave
- 2021 Buick Enclave
- 2022 Buick Enclave
- 2023 Buick Enclave
- 2024 Buick Enclave
- 2025 Buick Enclave
- 2026 Buick Enclave
- 2020 Buick Encore
- 2021 Buick Encore
- 2022 Buick Encore
- 2023 Buick Encore
- 2024 Buick Encore
- 2025 Buick Encore
- 2026 Buick Encore
- 2020 Buick Encore GX
- 2021 Buick Encore GX
- 2022 Buick Encore GX
- 2023 Buick Encore GX
- 2024 Buick Encore GX
- 2025 Buick Encore GX
- 2026 Buick Encore GX
- 2020 Buick Envision
- 2021 Buick Envision
- 2022 Buick Envision
- 2023 Buick Envision
- 2024 Buick Envision
- 2025 Buick Envision
- 2026 Buick Envision
- 2024 Buick Envista
- 2025 Buick Envista
- 2026 Buick Envista
- 2020 Buick Lacrosse
- 2020 Buick Regal
- 2020 Buick Regal Tourx
- 2025 Cadillac Celestiq
- 2026 Cadillac Celestiq
- 2020 Cadillac CT4
- 2021 Cadillac CT4
- 2022 Cadillac CT4
- 2023 Cadillac CT4
- 2024 Cadillac CT4
- 2025 Cadillac CT4
- 2026 Cadillac CT4
- 2020 Cadillac CT5
- 2021 Cadillac CT5
- 2022 Cadillac CT5
- 2023 Cadillac CT5
- 2024 Cadillac CT5
- 2025 Cadillac CT5
- 2026 Cadillac CT5
- 2020 Cadillac CT6
- 2021 Cadillac CT6
- 2020 Cadillac Escalade
- 2021 Cadillac Escalade
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.