Cadillac Lyriq 2023 — technical service bulletin
Bulletin PIT6047C · NHTSA communication 10249957 · issued Jan 4, 2024
Technical service bulletin
communication type
Electrical System
component
2023
model years
3
vehicle entries
Official summary
This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update.
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.