Brightdrop Zevo 400 2023–2025 — technical service bulletin
Bulletin 24-NA-083 · NHTSA communication 11012695 · issued Dec 11, 2024
Technical service bulletin
communication type
Fuel/propulsion System
component
2023–2025
model years
20
vehicle entries
Official summary
This informational bulletin provides information on EV Charge Inlet Dust Cover Replacement Information.
Vehicles covered
- 2024 Brightdrop Zevo 400
- 2023 Brightdrop Zevo 600
- 2024 Brightdrop Zevo 600
- 2023 Cadillac Lyriq
- 2024 Cadillac Lyriq
- 2025 Cadillac Lyriq
- 2025 Cadillac Optiq
- 2024 Chevrolet Blazer EV
- 2025 Chevrolet Blazer EV
- 2025 Chevrolet Brightdrop 400
- 2025 Chevrolet Brightdrop 600
- 2024 Chevrolet Equinox EV
- 2025 Chevrolet Equinox EV
- 2024 Chevrolet Silverado EV
- 2025 Chevrolet Silverado EV
- 2023 GMC Hummer EV Pickup
- 2024 GMC Hummer EV Pickup
- 2025 GMC Hummer EV Pickup
- 2024 GMC Sierra EV
- 2025 GMC Sierra EV
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.