Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #21-NA-081

2021 GMC Sierra 1500

TSB Document:

MC-10230611-0001.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This technical bulletin provides a procedure to locate a possible short in the engine wiring harness.

Click a tab for more information.

Date Published: JAN 11, 2023
NHTSA TSB #: 10230611

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