Buick Enclave 2023–2026 — technical service bulletin
Bulletin PIT6157C · NHTSA communication 11016982 · issued Apr 9, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2023–2026
model years
24
vehicle entries
Official summary
This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, it is normal operation and nothing should be replaced.
Vehicles covered
- 2025 Buick Enclave
- 2025 Buick Encore
- 2024 Cadillac CT5
- 2025 Cadillac CT5
- 2025 Cadillac Lyriq
- 2025 Cadillac Optiq
- 2026 Cadillac Vistiq
- 2024 Cadillac XT4
- 2025 Cadillac XT4
- 2024 Chevrolet Blazer EV
- 2025 Chevrolet Blazer EV
- 2023 Chevrolet Colorado
- 2024 Chevrolet Colorado
- 2025 Chevrolet Colorado
- 2025 Chevrolet Equinox EV
- 2024 Chevrolet Silverado EV
- 2025 Chevrolet Silverado EV
- 2024 Chevrolet Traverse
- 2025 Chevrolet Traverse
- 2024 GMC Acadia
- 2025 GMC Acadia
- 2023 GMC Canyon
- 2024 GMC Canyon
- 2025 GMC Canyon
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.