Brightdrop EV600 2019–2023 — technical service bulletin
Bulletin 21-NA-061 · NHTSA communication 10234107 · issued Mar 16, 2023
Technical service bulletin
communication type
Electrical System
component
2019–2023
model years
60
vehicle entries
Official summary
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
Vehicles covered
- 2022 Brightdrop EV600
- 2023 Brightdrop Zevo 600
- 2020 Buick Enclave
- 2021 Buick Enclave
- 2022 Buick Enclave
- 2023 Buick Enclave
- 2020 Buick Encore
- 2021 Buick Encore
- 2022 Buick Encore
- 2023 Buick Encore
- 2020 Buick Encore GX
- 2021 Buick Encore GX
- 2022 Buick Encore GX
- 2023 Buick Encore GX
- 2020 Buick Envision
- 2021 Buick Envision
- 2022 Buick Envision
- 2023 Buick Envision
- 2020 Buick Lacrosse
- 2020 Buick Regal
- 2020 Buick Regal Tourx
- 2020 Cadillac CT4
- 2021 Cadillac CT4
- 2022 Cadillac CT4
- 2023 Cadillac CT4
- 2020 Cadillac CT5
- 2021 Cadillac CT5
- 2022 Cadillac CT5
- 2023 Cadillac CT5
- 2020 Cadillac CT6
- 2021 Cadillac CT6
- 2020 Cadillac Escalade
- 2021 Cadillac Escalade
- 2022 Cadillac Escalade
- 2023 Cadillac Escalade
- 2020 Cadillac Escalade Esv
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2023 Cadillac Escalade Esv
- 2021 Cadillac Escalade NA
- 2023 Cadillac Lyriq
- 2020 Cadillac XT4
- 2021 Cadillac XT4
- 2022 Cadillac XT4
- 2023 Cadillac XT4
- 2020 Cadillac XT5
- 2021 Cadillac XT5
- 2022 Cadillac XT5
- 2023 Cadillac XT5
- 2020 Cadillac XT6
- 2021 Cadillac XT6
- 2022 Cadillac XT6
- 2023 Cadillac XT6
- 2020 Cadillac XTS
- 2020 Chevrolet 3500
- 2021 Chevrolet 3500
- 2022 Chevrolet 3500
- 2020 Chevrolet 4500
- 2022 Chevrolet 4500
- 2020 Chevrolet 4500HD
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.