Is your defective GMC Sierra 3500 actually a LEMON?

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GMC TSB #20-NA-198

2023 GMC Sierra 3500

TSB Document:

MC-10235399-0001.pdf

Affected Component: EQUIPMENT

Summary: This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.

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Date Published: APR 05, 2023
NHTSA TSB #: 10235399

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