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Service bulletins for the 2027 Chevrolet Corvette

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

17 on file from NHTSA, as of 2026-10-19.

By type

By trouble code

Bulletins, newest first
PIT6457C2026-10-05. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
PIC6540K2026-10-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIP61352026-10-02. Service bulletin. UNKNOWN OR OTHER. This preliminary information provides the dealer with direction for addressing diagnostic trouble code P00C6 being set in history. The dealer is advised to clear the dtc and re-evaluate. If the dtc does not reset, they are instructed to release the vehicle, if the dtc does reset they are instructed to pursue published diagnostics for that dtc.
PIC66642026-09-30. Service bulletin. UNKNOWN OR OTHER. The purpose of this Preliminary Information is to inform dealership technicians how to diagnose a "Service Power Steering - No Assist Soon" message.
PIT5698F2026-09-30. Service bulletin. UNKNOWN OR OTHER. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
PIP61322026-09-23. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers of a potential engine oil cooler seal leak and provides a repair solution of seal replacement.
PIP4902W2026-09-10. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIC6605C2026-09-10. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates the fact that the rear carbon fiber spoiler for this vehicle is on a part restriction. Dealers are directed to check EPC for restriction notes and to contact TAC if the restricted part is required.
PIT65412026-09-02. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
PIC66622026-08-27. Service bulletin. UNKNOWN OR OTHER. The purpose of this preliminary information is to provide dealership technicians tips to diagnose a no start concern with a P06E9 DTC set.
PIC6654A2026-08-27. Service bulletin. UNKNOWN OR OTHER. The purpose of this PIC is to assist dealership technicians in diagnosing a HUD image that may not be viewable on vehicle startup.
PIT65342026-08-27. Service bulletin. UNKNOWN OR OTHER. Onstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.
PIP6089B2026-07-21. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers that engine part numbers 12731949, 12739909 and 12716295 have been placed on restriction. Dealers are instructed to order these engines through the Technical Assistance Center.
PIP61242026-07-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information informs dealers that the 2027 6.7L RPO LS6 engine is on an exchange program. Dealers are instructed to contact the Product Quality Center to order an engine assembly.
PIC66542026-07-07. Service bulletin. UNKNOWN OR OTHER. The purpose of this PIC is to assist dealership technicians in diagnosing a HUD image that may not be viewable on vehicle startup.
PIT65192026-06-02. Service bulletin. UNKNOWN OR OTHER. This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
PIC6605B2026-05-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that many parts for this vehicle are on a part restriction. Dealers are directed to check EPC for restriction notes and to contact TAC if restricted parts need to be ordered.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.