Is your defective GMC Yukon actually a LEMON?

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GMC TSB #09-06-04-026X

2021 GMC Yukon

TSB Document:

MC-10240359-0001.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

Click a tab for more information.

Date Published: JUL 31, 2023
NHTSA TSB #: 10240359

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