Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin PIE0796A · NHTSA communication 11013054 · issued Jan 3, 2025
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
2
vehicle entries
Official summary
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Liftgate is Ajar message illuminated on DIC when Liftgate is in the closed position.
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.