PI 2026 Yukon/Yukon XL Inform Customer That — PIT6539

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Preliminary information · Preliminary information PIT6539

This is a preliminary information note, not a recall. GMC sends these to dealer technicians about a known condition, often while a fix is still being worked out. They are not repair orders, and they don't by themselves change what is covered.

Published: Sep 2, 2026
Applies to: Yukon, Yukon XL (2026 model year)

Summary (official text)​

This PI communicates information to inform customer that Engineering is aware of concern where the heated seats are inoperative when interior temp is above 86°F and are working on a repair solution.

Sources​

• PIT6539 (PDF, NHTSA document 11036695) — Sep 2, 2026

Details from NHTSA as of Oct 22, 2026. If NHTSA or GMC revises this notice, this post is updated and significant changes are noted in a reply. The linked documents are the authority, and a dealer can confirm whether it applies to your VIN.

Have you experienced this issue with your vehicle? Let us know your model year and engine, plus any diagnosis or repair details.

 

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