Brightdrop EV600 2020–2024 — technical service bulletin
Bulletin PIT5985B · NHTSA communication 10242320 · issued Aug 30, 2023
Technical service bulletin
communication type
Power Train
component
2020–2024
model years
52
vehicle entries
Official summary
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
Vehicles covered
- 2022 Brightdrop EV600
- 2021 Buick Envision
- 2022 Buick Envision
- 2023 Buick Envision
- 2020 Cadillac CT4
- 2021 Cadillac CT4
- 2022 Cadillac CT4
- 2023 Cadillac CT4
- 2024 Cadillac CT4
- 2020 Cadillac CT5
- 2021 Cadillac CT5
- 2022 Cadillac CT5
- 2023 Cadillac CT5
- 2024 Cadillac CT5
- 2024 Cadillac Escalade
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2023 Cadillac Escalade Esv
- 2023 Cadillac Lyriq
- 2024 Cadillac Lyriq
- 2024 Cadillac XT4
- 2024 Chevrolet Blazer EV
- 2023 Chevrolet Colorado
- 2020 Chevrolet Corvette
- 2021 Chevrolet Corvette
- 2022 Chevrolet Corvette
- 2023 Chevrolet Corvette
- 2024 Chevrolet Corvette
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 2500
- 2021 Chevrolet Suburban
- 2022 Chevrolet Suburban
- 2023 Chevrolet Suburban
- 2024 Chevrolet Suburban
- 2021 Chevrolet Tahoe
- 2022 Chevrolet Tahoe
- 2023 Chevrolet Tahoe
- 2024 Chevrolet Tahoe
- 2023 GMC Canyon
- 2022 GMC Hummer EV Pickup
- 2023 GMC Hummer EV Pickup
- 2024 GMC Hummer EV SUV
- 2022 GMC Sierra 1500
- 2023 GMC Sierra 1500
- 2024 GMC Sierra 1500
- 2024 GMC Sierra 2500
- 2021 GMC Yukon XL
- 2022 GMC Yukon XL
- 2023 GMC Yukon XL
- 2024 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.