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September 26, 2026 Service bulletin

The purpose of this Preliminary Information is to inform dealership technicians how to diagnose a "Service...

Chevrolet technical service bulletin PIC6664 for 2027 Chevrolet Corvette Grand Sport Coupe.

Bulletin number
PIC6664
Component
Unknown or other
Summary
The purpose of this Preliminary Information is to inform dealership technicians how to diagnose a "Service Power Steering - No Assist Soon" message.

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