Cadillac Lyriq 2023 — technical service bulletin
Bulletin PIC6489B · NHTSA communication 10232792 · issued Feb 6, 2023
Technical service bulletin
communication type
Trailer Hitches
component
2023
model years
1
vehicle entries
Official summary
This Preliminary information communicates to the technicians that if they have a Lyriq that comes in for this concern to replace the A11 radio receiver while GM is working on a solution.
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.