Is your defective GMC Yukon actually a LEMON?

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GMC TSB #24-NA-020

2021 GMC Yukon

TSB Document:

MC-10250747-0001.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.

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Date Published: FEB 12, 2024
NHTSA TSB #: 10250747

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