Cadillac Lyriq 2024 — technical service bulletin
Bulletin 24-NA-278 · NHTSA communication 11013096 · issued Jan 6, 2025
Technical service bulletin
communication type
Structure
component
2024
model years
1
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of BCM Software Update Needed – DTC B1AAE.13: Passive Entry Closure 2 Antenna Circuit High - Circuit Open.
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.