Cadillac Celestiq 2023–2025 — technical service bulletin
Bulletin PIC6617 · NHTSA communication 11022776 · issued Aug 30, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2023–2025
model years
14
vehicle entries
Official summary
PI is created to advise dealer of an issue that may have been induced by OTA programming
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.