Is your defective GMC Sierra 2500 actually a LEMON?

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GMC TSB #PIP5838B

2021 GMC Sierra 2500

TSB Document:

MC-10216352-9999.pdf

Affected Component: ELECTRICAL SYSTEM:WIRING

Summary: This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector.

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Date Published: JUN 02, 2022
NHTSA TSB #: 10216352

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