Buick Enclave 2022–2026 — technical service bulletin
Bulletin PIC6629C · NHTSA communication 11029949 · issued Mar 5, 2026
Technical service bulletin
communication type
Unknown / Other
component
2022–2026
model years
60
vehicle entries
Official summary
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
Vehicles covered
- 2025 Buick Enclave
- 2026 Buick Enclave
- 2024 Buick Encore GX
- 2025 Buick Encore GX
- 2026 Buick Encore GX
- 2024 Buick Envision
- 2025 Buick Envision
- 2026 Buick Envision
- 2024 Buick Envista
- 2025 Buick Envista
- 2026 Buick Envista
- 2025 Cadillac Celestiq
- 2026 Cadillac Celestiq
- 2025 Cadillac CT5
- 2025 Cadillac Escalade
- 2026 Cadillac Escalade
- 2025 Cadillac Escalade Esv
- 2026 Cadillac Escalade Esv
- 2025 Cadillac Escalade IQ
- 2026 Cadillac Escalade IQ
- 2024 Cadillac Lyriq
- 2025 Cadillac Lyriq
- 2026 Cadillac Lyriq
- 2025 Cadillac Optiq
- 2026 Cadillac Optiq
- 2026 Cadillac Vistiq
- 2024 Cadillac XT4
- 2025 Cadillac XT4
- 2024 Chevrolet Blazer EV
- 2025 Chevrolet Blazer EV
- 2026 Chevrolet Blazer EV
- 2024 Chevrolet Colorado
- 2025 Chevrolet Colorado
- 2026 Chevrolet Colorado
- 2024 Chevrolet Corvette
- 2025 Chevrolet Corvette
- 2026 Chevrolet Corvette Convertible
- 2026 Chevrolet Corvette Convertible E-Ray
- 2026 Chevrolet Corvette Coupe
- 2026 Chevrolet Corvette Coupe E-Ray
- 2024 Chevrolet Equinox
- 2025 Chevrolet Equinox
- 2026 Chevrolet Equinox
- 2024 Chevrolet Equinox EV
- 2025 Chevrolet Equinox EV
- 2026 Chevrolet Equinox EV
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 1500
- 2025 Chevrolet Silverado 1500
- 2026 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 2500
- 2025 Chevrolet Silverado 2500
- 2026 Chevrolet Silverado 2500
- 2024 Chevrolet Silverado 3500
- 2025 Chevrolet Silverado 3500
- 2026 Chevrolet Silverado 3500
- 2024 Chevrolet Silverado EV
- 2025 Chevrolet Silverado EV
- 2026 Chevrolet Silverado EV
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.