Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin PIE0759 · NHTSA communication 10243721 · issued Sep 5, 2023
Technical service bulletin
communication type
Equipment
component
2023–2024
model years
2
vehicle entries
Official summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed 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.