Chevrolet Equinox EV 2025 — technical service bulletin
Bulletin 654.30 · NHTSA communication 11028969 · issued Feb 3, 2026
Technical service bulletin
communication type
Unknown / Other
component
2025
model years
1
vehicle entries
Official summary
• Improvements to help protect battery health in low temperatures. • Improvements to diagnostics to reduce service messages. • Fixes to help protect battery health in high temperatures. • Fixes to improve responsiveness for vehicle diagnostics.
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.