Cadillac Lyriq 2023 — service campaign
Bulletin N252501791 · NHTSA communication 11036188 · issued Aug 13, 2026
Service campaign
communication type
Unknown / Other
component
2023
model years
3
vehicle entries
Official summary
Certain vehicles may experience reduced or intermittent Telematics Control Module functionality. Dealers are to reprogram the Telematic Control Module to the latest software level.
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.