WenmarOpen by Wenmar Pro

Service bulletin PIC6664

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11037557
Published by NHTSA2026-09-30
Manufacturer's numberPIC6664
Manufacturer's date2026-09-26
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

The purpose of this Preliminary Information is to inform dealership technicians how to diagnose a "Service Power Steering - No Assist Soon" message.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
CHEVROLET CORVETTE GRAND SPORT CONVERTIBLE2027 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE GRAND SPORT COUPE2027 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE GRAND SPORT X CONVERTIBLE HYBRID2027 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE GRAND SPORT X COUPE HYBRID2027 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.