Cadillac Lyriq 2023–2025 — technical service bulletin
Bulletin PIC6614 · NHTSA communication 11019868 · issued Jun 27, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2023–2025
model years
3
vehicle entries
Official summary
This PI communicates that a brake system failure message may present with no DTC's found in GDS but are viewable in OnStar data. (C0582, P30DA or C058A.)
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.