PI 2022–2026 Sierra 1500/Sierra 2500HD/Sierra 3500HD/Yukon/Yukon XL Unknown or Other — PIT6545

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Preliminary information · Preliminary information PIT6545

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 3, 2026
Applies to: Sierra 1500: 2022–2026 · Sierra 2500HD: 2024–2026 · Sierra 3500HD: 2024–2026 · Yukon: 2022–2024 · Yukon XL: 2022–2024

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

Summary (official text)​

This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly.

Sources​

• PIT6545 (PDF, NHTSA document 11037258) — Sep 3, 2026
• PIT6545A (PDF, NHTSA document 11037445) — Sep 15, 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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