Cadillac Escalade 2023–2024 — technical service bulletin
Bulletin 654.20 · NHTSA communication 11029899 · issued Feb 26, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2023–2024
model years
12
vehicle entries
Official summary
• Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display.
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.