Buick Enclave 2018–2022 — technical service bulletin
Bulletin 20NA136 · NHTSA communication 10205060 · issued Aug 5, 2021
Technical service bulletin
communication type
Power Train
component
2018–2022
model years
23
vehicle entries
Official summary
This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).
Vehicles covered
- 2018 Buick Enclave
- 2019 Buick Enclave
- 2020 Buick Enclave
- 2021 Buick Enclave
- 2022 Buick Enclave
- 2020 Cadillac XT5
- 2021 Cadillac XT5
- 2022 Cadillac XT5
- 2020 Cadillac XT6
- 2021 Cadillac XT6
- 2022 Cadillac XT6
- 2019 Chevrolet Blazer
- 2020 Chevrolet Blazer
- 2021 Chevrolet Blazer
- 2022 Chevrolet Blazer
- 2018 Chevrolet Traverse
- 2019 Chevrolet Traverse
- 2020 Chevrolet Traverse
- 2021 Chevrolet Traverse
- 2022 Chevrolet Traverse
- 2020 GMC Acadia
- 2021 GMC Acadia
- 2022 GMC Acadia
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.