Cadillac Escalade 2023–2024 — technical service bulletin
Bulletin 661.10 · NHTSA communication 11030522 · issued Mar 26, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2023–2024
model years
14
vehicle entries
Official summary
• Fixes to help prevent false Service Driver Assist System messages. • Improvements to connectivity for OnStar.
Vehicles covered
- 2023 Cadillac Escalade
- 2024 Cadillac Escalade
- 2023 Cadillac Escalade Esv
- 2024 Cadillac Escalade Esv
- 2023 Chevrolet Suburban
- 2024 Chevrolet Suburban
- 2023 Chevrolet Suburban 1500
- 2024 Chevrolet Suburban 1500
- 2023 Chevrolet Tahoe
- 2024 Chevrolet Tahoe
- 2023 GMC Yukon
- 2024 GMC Yukon
- 2023 GMC Yukon XL
- 2024 GMC Yukon XL
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.