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August 15, 2026 Over-the-air update

• Fixes to help ensure start reliability and prevent battery drain • Improved charging performance and...

Chevrolet technical service bulletin Driving & Energy 2026.3 for 2027 Chevrolet Bolt EV.

Bulletin number
Driving & Energy 2026.3 (Driving & Energy 2026.3)
Component
Unknown or other
Summary
• Fixes to help ensure start reliability and prevent battery drain • Improved charging performance and messages • Improved performance for anti-lock braking system

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