Buick Enclave 2023–2024 — technical service bulletin
Bulletin 23-NA-135 · NHTSA communication 10240364 · issued Jul 31, 2023
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
9
vehicle entries
Official summary
This informational bulletin advises the changes to some of the 9-speed oil control changes from previous years.
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.