Chevrolet Corvette 2020–2023 — technical service bulletin
Bulletin 21-NA-192 · NHTSA communication 10224823 · issued Oct 4, 2022
Technical service bulletin
communication type
Structure
component
2020–2023
model years
4
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of the Convertible Top May Not Lower Intermittently, Technician may find DTC B19E4 SYM64 Stored in History.
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.