Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin PIT6112 · NHTSA communication 10249986 · issued Jan 17, 2024
Technical service bulletin
communication type
Equipment
component
2023–2024
model years
3
vehicle entries
Official summary
This Preliminary information communicates dignostics tips for P0534 codes on 2024 Blazer EV and 2023 and 2024 Lyriq.
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.