Brightdrop EV600 2021–2023 — technical service bulletin
Bulletin PIT5966A · NHTSA communication 10231644 · issued Jan 13, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
31
vehicle entries
Official summary
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
Vehicles covered
- 2022 Brightdrop EV600
- 2021 Buick Envision
- 2022 Buick Envision
- 2023 Buick Envision
- 2021 Cadillac CT4
- 2022 Cadillac CT4
- 2023 Cadillac CT4
- 2021 Cadillac CT5
- 2022 Cadillac CT5
- 2023 Cadillac CT5
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2023 Cadillac Escalade Esv
- 2023 Cadillac Lyriq
- 2021 Chevrolet Corvette
- 2022 Chevrolet Corvette
- 2023 Chevrolet Corvette
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2021 Chevrolet Suburban
- 2022 Chevrolet Suburban
- 2023 Chevrolet Suburban
- 2021 Chevrolet Tahoe
- 2022 Chevrolet Tahoe
- 2023 Chevrolet Tahoe
- 2022 GMC Hummer EV Pickup
- 2022 GMC Sierra 1500
- 2023 GMC Sierra 1500
- 2021 GMC Yukon XL
- 2022 GMC Yukon XL
- 2023 GMC Yukon XL
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.