Cadillac Lyriq 2023 — technical service bulletin
Bulletin 24-NA-038 · NHTSA communication 11004998 · issued Jul 9, 2024
Technical service bulletin
communication type
Electrical System
component
2023
model years
2
vehicle entries
Official summary
This service bulletin provides Radio Software update Version W27E-172.5.1-M169-SQBR4-126.3 repair information to correct customer concerns of radio software issues.
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.