Chevrolet Corvette 2020–2023 — technical service bulletin
Bulletin PIC6512 · NHTSA communication 10240789 · issued Jul 17, 2023
Technical service bulletin
communication type
Exterior Lighting
component
2020–2023
model years
4
vehicle entries
Official summary
This Preliminary Information communicates instructions for a dealership technician to properly diagnose a Service Headlamp System message.
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.