Chevrolet Silverado EV 2024 — technical service bulletin
Bulletin 662.40 · NHTSA communication 11036476 · issued Aug 4, 2026
Technical service bulletin
communication type
Unknown / Other
component
2024
model years
2
vehicle entries
Official summary
• Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved 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.