Chevrolet Equinox 2025–2026 — technical service bulletin
Bulletin 24-NA-227 · NHTSA communication 11025996 · issued Nov 4, 2025
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
4
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of Vibration Rattle or Boom at 1800 to 2000 RPM.
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.