Brightdrop 600 Elcv 2022–2024 — technical service bulletin
Bulletin 23-NA-202 · NHTSA communication 11003835 · issued Jun 13, 2024
Technical service bulletin
communication type
Electrical System
component
2022–2024
model years
8
vehicle entries
Official summary
This informational bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for GMC HUMMER EV, Silverado EV and BrightDrop.
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.