Is your defective GMC Yukon actually a LEMON?

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GMC TSB #20NA204

2021 GMC Yukon

TSB Document:

MC-10183203-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This technical bulletin provides a procedure to program the ECM if found the cause of the customers concern.

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Date Published: OCT 07, 2020
NHTSA TSB #: 10183203

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