Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin PIE0759C · NHTSA communication 10246494 · issued Nov 28, 2023
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 Malfunction Indicator Lamp (MIL) being illuminated on Driver Information Center (DIC), A/C not blowing cold air and/or the A/C working intermittently.
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.