Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #PIP5882

2021 GMC Sierra 1500

TSB Document:

MC-10226356-9999.pdf

Affected Component: POWER TRAIN

Summary: This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern.

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Date Published: OCT 03, 2022
NHTSA TSB #: 10226356

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