Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin PIC6488C · NHTSA communication 10242282 · issued Aug 2, 2023
Technical service bulletin
communication type
Equipment
component
2023–2024
model years
4
vehicle entries
Official summary
This Preliminary information communicates that Serial Data Authentication is required prior to programming a replacement Radio.
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.