Cadillac Lyriq 2024 — technical service bulletin
Bulletin 24-NA-238 · NHTSA communication 11011132 · issued Oct 26, 2024
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
This technical bulletin provides a procedure to correct the condition of Missing Circuits for Trailer Brake Lighting.
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.