Cadillac Lyriq 2023 — technical service bulletin
Bulletin 24-NA-155 · NHTSA communication 11014280 · issued Feb 7, 2025
Technical service bulletin
communication type
Electrical System
component
2023
model years
3
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of software related issues with release of Radio Software Update Version is W38E-174.4.1-M170-SQBR5-180.5.
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.