Buick Lacrosse 2017–2019 — technical service bulletin
Bulletin 23-NA-134 · NHTSA communication 10242200 · issued Aug 9, 2023
Technical service bulletin
communication type
Power Train
component
2017–2019
model years
6
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of a SES light or Service Transmission Soon message appearing in the DIC.
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.