TSB PIC4793C — Chevrolet Service bulletin
PIC4793C is a service bulletin on file with NHTSA for the Chevrolet Corvette, 2005–2011 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This PIC provides a diagnostic check to help technicians test for a weak hydraulic cylinder on a power folding top.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIC4793C names
Every document filed under PIC4793C
| Document ID | Filed | Type |
|---|---|---|
| PIC4793C | February 7, 2025 | Service bulletin |
Questions buyers ask
What is TSB PIC4793C?
PIC4793C is a service bulletin filed with NHTSA by Chevrolet, covering the Chevrolet Corvette across the 2005–2011 model years. NHTSA's summary reads: This PIC provides a diagnostic check to help technicians test for a weak hydraulic cylinder on a power folding top.
Which vehicles does PIC4793C cover?
NHTSA's file names Chevrolet Corvette (2005–2011). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB PIC4793C a recall, and is the repair free?
No. PIC4793C is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIC4793C?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIC4793C, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIC4793C. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.