Cadillac Lyriq 2023 — technical service bulletin
Bulletin PIC6483 · NHTSA communication 10230705 · issued Dec 22, 2022
Technical service bulletin
communication type
Service Brakes
component
2023
model years
1
vehicle entries
Official summary
This Preliminary information communicates that a loss of communication with the Brake System Control Module may occur and to contact GMTAC.
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.