Chevrolet Traverse 2025 — technical service bulletin
Bulletin PIT6418 · NHTSA communication 11021316 · issued Jul 31, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2025
model years
1
vehicle entries
Official summary
Concern about a Low Frequency Howl Hiss Noise with the A/C On. No root cause at this time. GM is investigating the concern.
Vehicles covered
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.