Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #23-NA-071

2023 GMC Sierra 1500

TSB Document:

MC-10247529-0001.pdf

Affected Component: EQUIPMENT

Summary: This service bulletin provides repair information for an Engine Control Module Service Update to correct a customer concern of a MIL Illuminated in DIC with DTCs Set.

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Date Published: DEC 14, 2023
NHTSA TSB #: 10247529

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