PI 2021–2027 Sierra 1500/Sierra 2500HD/Sierra 3500HD/Yukon/Yukon XL/Canyon Diagnostic Tips and Guidance for Situations Where Key Fobs Cannot… — PIT6015

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Preliminary information · Preliminary information PIT6015

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: Nov 7, 2026
Applies to: Sierra 1500: 2022–2027 · Sierra 2500HD: 2024–2027 · Sierra 3500HD: 2024–2027 · Yukon: 2021–2027 · Yukon XL: 2021–2027 · Canyon: 2023–2027

Also listed in the source (outside this forum's coverage): Acadia 2024–2027, Hummer EV Pickup 2022–2026, Hummer EV SUV 2024–2026, Terrain 2025–2027

Summary (official text)​

This Preliminary Information provides diagnostic tips and guidance for situations where key fobs cannot be learned or programmed successfully.

Sources​

• PIT6015D (PDF, NHTSA document 11039895) — Nov 7, 2026

Details from NHTSA as of Nov 11, 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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