Cadillac Lyriq 2023–2025 — technical service bulletin
Bulletin PIC6578C · NHTSA communication 11021284 · issued Aug 28, 2025
Technical service bulletin
communication type
Engine
component
2023–2025
model years
3
vehicle entries
Official summary
This Preliminary information communicates procedure to relearn window motor when it reverses when expressing up.
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.