Cadillac Lyriq 2023 — technical service bulletin
Bulletin PIC6483A · NHTSA communication 10251686 · issued Feb 7, 2024
Technical service bulletin
communication type
Electrical System
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.