Cadillac Lyriq 2023–2026 — technical service bulletin
Bulletin PIC6485D · NHTSA communication 11024465 · issued Oct 18, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2023–2026
model years
4
vehicle entries
Official summary
This Preliminary information communicates that the upper compressor mount could be twisted causing a vibration or noise concern while the compressor is running.
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.