Chevrolet Corvette 2020–2024 — technical service bulletin
Bulletin 21-NA-049 · NHTSA communication 10245556 · issued Nov 17, 2023
Technical service bulletin
communication type
Electrical System
component
2020–2024
model years
5
vehicle entries
Official summary
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
Vehicles covered
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.