Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #21NA032

2021 GMC Sierra 1500

TSB Document:

MC-10191214-9999.pdf

Affected Component: VISIBILITY

Summary: This technical bulletin provides repair information to correct a customer concern of DTC P0101 Mass Air Flow (MAF) Sensor Performance, P1682 Set after MAF Replacement.

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Date Published: MAR 29, 2021
NHTSA TSB #: 10191214

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