Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin PIC6527 · NHTSA communication 10247339 · issued Nov 1, 2023
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
2
vehicle entries
Official summary
This Preliminary information communicates that a U018B maybe found setting current or history, do not diagnose, the module is not used on 23 and 24 model years.
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.