Is your defective GMC Sierra 3500 actually a LEMON?

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GMC TSB #PIT6120

2024 GMC Sierra 3500

TSB Document:

MC-10250004-9999.pdf

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Summary: This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation instructions for the 9L7 Upfitter Switches.

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Date Published: JAN 30, 2024
NHTSA TSB #: 10250004

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