Buick Encore GX 2021 — technical service bulletin
Bulletin 20NA165 · NHTSA communication 10214202 · issued Jan 31, 2022
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2021
model years
2
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of Flutter or Boom Noise at 1200 RPM- Service Calibration.
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.