Chevrolet Corvette 2020–2023 — technical service bulletin
Bulletin PIE0700B · NHTSA communication 10225665 · issued Oct 21, 2022
Technical service bulletin
communication type
Power Train
component
2020–2023
model years
4
vehicle entries
Official summary
This engineering information (EI) closure ends the need for gathering information from the field in regards to Malfunction Indicator Lamp (MIL) Illuminated, Service Rear Axle Message on Driver Information Center (DIC), Transmission Shifting 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.