Emission system, California, SULEV30

Years 2023–25 Models 2 Factory citations 5

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Also documented for Chevrolet

Documented applications

Canyon — Third generation (VSS-T) (2023–2027)

2023–2024 Factory-verified internal

GM factory document — 2023 gmc 23canyon electrical body builder 2023march13, p.11.
GM factory document — 2024 gmc 24 canyon electrical body builder manual 2023oct04, p.12.

Sierra — T1XX (2019–2026)

2023–2025 Factory-verified internal

GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.12.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.14.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.12.

This page aggregates every documented appearance of NUG in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.