Buick Enclave 2022–2027 — technical service bulletin
Bulletin PIT6519 · NHTSA communication 11033150 · issued May 27, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2022–2027
model years
60
vehicle entries
Official summary
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
Vehicles covered
- 2025 Buick Enclave
- 2026 Buick Enclave
- 2025 Buick Encore
- 2026 Buick Encore
- 2025 Buick Encore GX
- 2026 Buick Encore GX
- 2025 Buick Envision
- 2026 Buick Envision
- 2025 Cadillac Celestiq
- 2026 Cadillac Celestiq
- 2023 Cadillac CT4
- 2024 Cadillac CT4
- 2025 Cadillac CT4
- 2026 Cadillac CT4
- 2023 Cadillac CT5
- 2024 Cadillac CT5
- 2025 Cadillac CT5
- 2026 Cadillac CT5
- 2023 Cadillac Escalade
- 2024 Cadillac Escalade
- 2025 Cadillac Escalade
- 2026 Cadillac Escalade
- 2023 Cadillac Escalade Esv
- 2024 Cadillac Escalade Esv
- 2025 Cadillac Escalade Esv
- 2026 Cadillac Escalade Esv
- 2026 Cadillac Escalade Esv IQ
- 2026 Cadillac Escalade Esv Iql
- 2025 Cadillac Escalade IQ
- 2026 Cadillac Escalade IQ
- 2026 Cadillac Escalade Iql
- 2023 Cadillac Lyriq
- 2024 Cadillac Lyriq
- 2025 Cadillac Lyriq
- 2026 Cadillac Lyriq
- 2025 Cadillac Optiq
- 2026 Cadillac Optiq
- 2023 Cadillac XT4
- 2024 Cadillac XT4
- 2025 Cadillac XT4
- 2026 Cadillac XT4
- 2023 Cadillac XT5
- 2024 Cadillac XT5
- 2025 Cadillac XT5
- 2026 Cadillac XT5
- 2023 Cadillac XT6
- 2024 Cadillac XT6
- 2025 Cadillac XT6
- 2026 Cadillac XT6
- 2022 Chevrolet 3500
- 2024 Chevrolet 3500HD
- 2022 Chevrolet 4500
- 2022 Chevrolet 4500HD
- 2023 Chevrolet 4500HD
- 2022 Chevrolet 4500XD
- 2022 Chevrolet 5500HD
- 2023 Chevrolet 5500HD
- 2022 Chevrolet 5500XD
- 2022 Chevrolet 6500HD
- 2023 Chevrolet 6500HD
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.