Is your defective GMC Sierra 1500 actually a LEMON?

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August 26: GM Hard Brake Pedals Investigated in 1,164,820 Vehicles investigations | 74 days ago
August 24: GM Engine Failure Investigation Includes Nearly 1 Million Vehicles investigations | 76 days ago

GMC TSB #23-NA-042

2021 GMC Sierra 1500

TSB Document:

MC-10234117-0001.pdf

Affected Component: EQUIPMENT

Summary: This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.

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Date Published: MAR 15, 2023
NHTSA TSB #: 10234117

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