Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #23-NA-170

2021 GMC Sierra 1500

TSB Document:

MC-10251909-0001.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.

Click a tab for more information.

Date Published: MAR 11, 2024
NHTSA TSB #: 10251909

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