Brightdrop EV600 2022–2024 — technical service bulletin
Bulletin 23-NA-036 · NHTSA communication 11017502 · issued Apr 4, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2022–2024
model years
15
vehicle entries
Official summary
This service bulletin provides diagnostic information for dealers/technicians on an Amber Light on Dual Level Portable Charge Cord Set.
Vehicles covered
- 2022 Brightdrop EV600
- 2024 Brightdrop Zevo 400
- 2023 Brightdrop Zevo 600
- 2024 Brightdrop Zevo 600
- 2023 Cadillac Lyriq
- 2024 Chevrolet Blazer EV
- 2022 Chevrolet Bolt Euv
- 2023 Chevrolet Bolt Euv
- 2022 Chevrolet Bolt EV
- 2023 Chevrolet Bolt EV
- 2024 Chevrolet Equinox EV
- 2024 Chevrolet Silverado EV
- 2022 GMC Hummer EV Pickup
- 2023 GMC Hummer EV Pickup
- 2024 GMC Hummer EV Pickup
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.