Buick Enclave 2019–2021 — technical service bulletin
Bulletin PIP5608F · NHTSA communication 10201297 · issued Jun 29, 2021
Technical service bulletin
communication type
Power Train
component
2019–2021
model years
15
vehicle entries
Official summary
This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern.
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.