Chevrolet Blazer EV 2024 — technical service bulletin
Bulletin 661.50 · NHTSA communication 11034050 · issued Jun 8, 2026
Technical service bulletin
communication type
Unknown / Other
component
2024
model years
1
vehicle entries
Official summary
• Fewer unnecessary service messages, warning light activations, and automated OnStar calls from your vehicle
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.