Cadillac Lyriq 2023–2025 — technical service bulletin
Bulletin PIC6583G · NHTSA communication 11022779 · issued Aug 28, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2023–2025
model years
3
vehicle entries
Official summary
This Preliminary information communicates how to move U018B from Current to History.
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.