Chevrolet Blazer EV 2024 — technical service bulletin
Bulletin N24-248403 (V604.01) · NHTSA communication 11021064 · issued Jul 22, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2024
model years
1
vehicle entries
Official summary
This software update includes the following, if your vehicle is equipped: • Improvements to accuracy of Lane Keep Assist warnings. • Fixes to allow driver to connect to Wi-Fi for software updates. • Fixes for software updates and key card responsiveness. • Improvements to rear view camera performance. • Fixes to help prevent battery drain. • Fixes to responsiveness issues with Wi-Fi, Navigation, Super Cruise, and OnStar. • Improvements to software updates. • Improvements to OnStar emergency calls. • Fixes to address cellular connectivity issues. During the update process, your radio may stay o
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.