Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #23-NA-073

2024 GMC Sierra 1500

TSB Document:

MC-10251357-0001.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.

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Date Published: FEB 26, 2024
NHTSA TSB #: 10251357

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