Is your defective GMC Yukon actually a LEMON?

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GMC TSB #PIP5828A

2021 GMC Yukon

TSB Document:

MC-10206737-9999.pdf

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary: This Preliminary information communicates to technicians the need to reflash the reductant controller for a P205B intermittently setting.

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Date Published: DEC 17, 2021
NHTSA TSB #: 10206737

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