Software Update 2023–2025 Canyon Software Update — Cabin & Driving 2026.4

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Over-the-air software update · Cabin & Driving 2026.4

Updated Nov 12, 2026: Model years, summary, documents added (details)

This is an over-the-air software update notice. GMC filed it with NHTSA to describe a software release; it is not a recall unless it says so. Delivery depends on your truck's connectivity and settings.

Published: Oct 16, 2026
Applies to: Canyon (2023–2025 model years)

Summary (official text)​

• Improvements to start reliability and reduced check engine light activation • Improvements to turbo system diagnostics • Improvements to active cabin ventilation • Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating

Sources​

• Cabin & Driving 2026.4 (PDF, NHTSA document 11038846) — Oct 16, 2026
• Cabin & Driving 2026.4 (PDF, NHTSA document 11039897) — Nov 2, 2026
• Cabin & Driving 2026.4 (PDF, NHTSA document 11039898) — Nov 4, 2026

Details from NHTSA as of Nov 12, 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.

Has this update reached your truck? Share your model year and anything that changed after it installed.

 

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Update from NHTSA (Nov 12, 2026): Cabin & Driving 2026.4 has changed.

• Model years now: Canyon 2023–2025 (was Canyon 2023)
• The official summary was revised
• New document: Cabin & Driving 2026.4, Cabin & Driving 2026.4

The opening post has been updated with the current information.