Buick Enclave 2019–2020 — technical service bulletin
Bulletin 21NA066 · NHTSA communication 10194100 · issued Apr 6, 2021
Technical service bulletin
communication type
Structure
component
2019–2020
model years
4
vehicle entries
Official summary
This technical bulletin provides a procedure to replace the flexplate if found broken and or the cause of the customers concern.
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.