Cadillac CT5 2019–2025 — technical service bulletin
Bulletin 23-NA-170 · NHTSA communication 11024486 · issued May 16, 2025
Technical service bulletin
communication type
Electrical System
component
2019–2025
model years
60
vehicle entries
Official summary
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
Vehicles covered
- 2022 Cadillac CT5
- 2023 Cadillac CT5
- 2024 Cadillac CT5
- 2025 Cadillac CT5
- 2021 Cadillac Escalade
- 2022 Cadillac Escalade
- 2023 Cadillac Escalade
- 2024 Cadillac Escalade
- 2025 Cadillac Escalade
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2023 Cadillac Escalade Esv
- 2024 Cadillac Escalade Esv
- 2025 Cadillac Escalade Esv
- 2019 Chevrolet Camaro
- 2020 Chevrolet Camaro
- 2021 Chevrolet Camaro
- 2022 Chevrolet Camaro
- 2023 Chevrolet Camaro
- 2024 Chevrolet Camaro
- 2019 Chevrolet Corvette
- 2020 Chevrolet Corvette
- 2021 Chevrolet Corvette
- 2022 Chevrolet Corvette
- 2023 Chevrolet Corvette
- 2024 Chevrolet Corvette
- 2025 Chevrolet Corvette
- 2021 Chevrolet Express
- 2022 Chevrolet Express
- 2023 Chevrolet Express
- 2024 Chevrolet Express
- 2025 Chevrolet Express
- 2023 Chevrolet Express 2500
- 2024 Chevrolet Express 2500
- 2021 Chevrolet Express 3500
- 2022 Chevrolet Express 3500
- 2023 Chevrolet Express 3500
- 2024 Chevrolet Express 3500
- 2021 Chevrolet Express Cutaway Van
- 2022 Chevrolet Express Cutaway Van
- 2023 Chevrolet Express Cutaway Van
- 2024 Chevrolet Express Cutaway Van
- 2019 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 1500
- 2025 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2022 Chevrolet Silverado 2500
- 2023 Chevrolet Silverado 2500
- 2024 Chevrolet Silverado 2500
- 2025 Chevrolet Silverado 2500
- 2020 Chevrolet Silverado 3500
- 2021 Chevrolet Silverado 3500
- 2022 Chevrolet Silverado 3500
- 2023 Chevrolet Silverado 3500
- 2024 Chevrolet Silverado 3500
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.