Cadillac Escalade 2025 — technical service bulletin
Bulletin 661.21 · NHTSA communication 11031827 · issued Apr 28, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2025
model years
6
vehicle entries
Official summary
• Improvements to the performance of vehicle software updates. • Fixes to help prevent loss of functionality for connectivity features, including maps and Wi-Fi. • Fixes to help prevent erroneous emergency calls from vehicle. • Fixes for deleting digital keys. • Fixes to help ensure proper functionality for mobile app features. • Improvements to the performance of Super Cruise.
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.