Cadillac Lyriq 2022–2024 — technical service bulletin
Bulletin 24-NA-143 · NHTSA communication 11006509 · issued Jul 31, 2024
Technical service bulletin
communication type
Electrical System
component
2022–2024
model years
8
vehicle entries
Official summary
This informational 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.