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July 28, 2026 Service campaign

Certain vehicles listed above may have a condition in which the vehicle may shift out of park without key...

Chevrolet technical service bulletin N252519860 for 2023-2026 Chevrolet Silverado 1500.

Bulletin number
N252519860
Component
Unknown or other
Summary
Certain vehicles listed above may have a condition in which the vehicle may shift out of park without key fob inside vehicle while in "Protected Idle" Mode. Dealers will update the BCM software. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.

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