Is your defective GMC Yukon actually a LEMON?

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GMC TSB #19NA044

2021 GMC Yukon

TSB Document:

MC-10199238-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

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Date Published: MAY 03, 2021
NHTSA TSB #: 10199238

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