Buick Enclave 2023–2026 — technical service bulletin
Bulletin PIT6157C · NHTSA communication 11016982 · issued Apr 9, 2025
Technical service bulletin
communication type
Unknown / 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.