Is your defective GMC Yukon actually a LEMON?

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GMC TSB #22-NA-258

2021 GMC Yukon

TSB Document:

MC-10231492-0001.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.

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Date Published: JAN 19, 2023
NHTSA TSB #: 10231492

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