Chevrolet Equinox EV 2024 — technical service bulletin
Bulletin 653.20 · NHTSA communication 11024654 · issued Oct 13, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2024
model years
1
vehicle entries
Official summary
•Improvements to battery health diagnostics. •Fixes for efficiency when using fast charging stations. •Improvements to reliability for climate control and charging. •Improvements to the accuracy of efficiency values. •Improvements to shifting. •Fixes to protect battery health and adjust charge limits. 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.
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.