Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #N212336570

2021 GMC Sierra 1500

TSB Document:

MC-10200177-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: Service Update. Certain trucks may falsely set fuel injector diagnostic trouble codes P026C and/or P20EE. Dealers will reprogram the engine control module (ECM).

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Date Published: JUN 01, 2021
NHTSA TSB #: 10200177

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