Cadillac Lyriq 2022–2025 — technical service bulletin
Bulletin 24-NA-143 · NHTSA communication 11010729 · issued Oct 18, 2024
Technical service bulletin
communication type
Electrical System
component
2022–2025
model years
12
vehicle entries
Official summary
This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
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.