Is your defective GMC Sierra 2500 actually a LEMON?

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GMC TSB #20NA138

2021 GMC Sierra 2500

TSB Document:

MC-10191207-9999.pdf

Affected Component: POWER TRAIN

Summary: This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.

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Date Published: MAR 11, 2021
NHTSA TSB #: 10191207

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