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August 7, 2025 Over-the-air update

GM Update N25-250307 • Updates to reduce erroneous engine alerts

GMC technical service bulletin N25-250307 for 2023-2024 GMC Sierra 1500 and 2023-2024 Chevrolet Silverado 4500.

Bulletin number
N25-250307 (N25-250307)
Component
Unknown or other
Summary
GM Update N25-250307 • Updates to reduce erroneous engine alerts. • Improvements to accuracy of alerts. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

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