Buick Enclave 2025–2026 — technical service bulletin
Bulletin PIT6274C · NHTSA communication 11020879 · issued Jul 16, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2025–2026
model years
25
vehicle entries
Official summary
This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.
Vehicles covered
- 2025 Buick Enclave
- 2026 Buick Enclave
- 2025 Cadillac Lyriq
- 2025 Chevrolet Blazer
- 2026 Chevrolet Blazer
- 2025 Chevrolet Blazer EV
- 2026 Chevrolet Blazer EV
- 2025 Chevrolet Equinox
- 2026 Chevrolet Equinox
- 2025 Chevrolet Equinox EV
- 2026 Chevrolet Equinox EV
- 2025 Chevrolet Silverado EV
- 2026 Chevrolet Silverado EV
- 2025 Chevrolet Suburban 1500
- 2025 Chevrolet Tahoe
- 2025 Chevrolet Traverse
- 2026 Chevrolet Traverse
- 2025 GMC Acadia
- 2026 GMC Acadia
- 2025 GMC Sierra EV
- 2026 GMC Sierra EV
- 2025 GMC Terrain
- 2026 GMC Terrain
- 2025 GMC Yukon
- 2025 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.