Is your defective GMC Sierra 1500 actually a LEMON?

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August 26: GM Hard Brake Pedals Investigated in 1,164,820 Vehicles investigations | 80 days ago
August 24: GM Engine Failure Investigation Includes Nearly 1 Million Vehicles investigations | 82 days ago

GMC TSB #PIP5878

2023 GMC Sierra 1500

TSB Document:

MC-10226378-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Summary: This Preliminary information communicates that the exhaustÂ particulate matter sensor is on a parts restriction.

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Date Published: OCT 14, 2022
NHTSA TSB #: 10226378

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