Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin PIC6537A · NHTSA communication 10249984 · issued Jan 17, 2024
Technical service bulletin
communication type
Visibility
component
2023–2024
model years
2
vehicle entries
Official summary
This Preliminary information communicates that a noise or vibration maybe heard from the A/C compressor and that Engineering is working on a resolution.
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.