Chevrolet Traverse 2020–2021 — technical service bulletin
Bulletin 20NA148 · NHTSA communication 10205061 · issued Aug 18, 2021
Technical service bulletin
communication type
Back Over Prevention
component
2020–2021
model years
2
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of hearing a plastic to metal squeak/creak noise coming from the driver or passenger side B-Pillar area.
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.