Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #PIT5789A

2021 GMC Sierra 1500

TSB Document:

MC-10187164-9999.pdf

Affected Component: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

Summary: This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting.Â Engineering is working on releasing updated BCM cals to correct the concern.Â

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Date Published: DEC 03, 2020
NHTSA TSB #: 10187164

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