Is your defective GMC Yukon actually a LEMON?

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GMC TSB #PIT5869A

2021 GMC Yukon

TSB Document:

MC-10247770-9999.pdf

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Summary: This Preliminary information communicates an issues with an SES MIL, A/C blowing warm air and DTC's B1AA3 U3018 U3505 due to Fuse F4DR open. Dealers are to inspect the wiring in the front floor console.

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Date Published: SEP 06, 2023
NHTSA TSB #: 10247770

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