Is your defective GMC Sierra 2500 actually a LEMON?

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GMC TSB #PIP5871

2023 GMC Sierra 2500

TSB Document:

MC-10224282-9999.pdf

Affected Component: UNKNOWN OR OTHER

Summary: This Preliminary information communicates that there is an update calibration for the ecm concerning a P11D5 setting on 2023 Chevrolet and GMC trucks equipped with the L5P engine.

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Date Published: SEP 09, 2022
NHTSA TSB #: 10224282

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