Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin 23-NA-217 · NHTSA communication 11001381 · issued May 13, 2024
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
5
vehicle entries
Official summary
This service bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac LYRIQ, Chevrolet Blazer EV, Equinox EV and Corvette E-Ray.
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.