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September 3, 2025 Over-the-air update

This software update includes the following, if your vehicle is equipped: •Improvements to vehicle diagnostics

Chevrolet technical service bulletin 625.10 for 2024-2025 Chevrolet Blazer EV.

Bulletin number
625.10 (625.10)
Component
Unknown or other
Summary
This software update includes the following, if your vehicle is equipped: •Improvements to vehicle diagnostics. •Fixes to preserve battery life and improve charging. •Fixes to address issues with shifting. •Fixes for vehicle airflow in icy conditions. •Improvements to HVAC compressor performance. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

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