Emission system, California ULEV125

Years 2016–17, 2019, 2021–23 Models 4 Factory citations 9

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Also described as Emissions system, California, ULEV125Emissions, California ULEV125

Also documented for Cadillac GMC

Documented applications

Colorado — Second generation (GMT31XX) (2015–2022)

2016–2017, 2019, 2021–2022 Factory-verified internal

; shown only in the shared Colorado/Canyon upfitter lists; 2021 from the upfitter list GM files for 2021 and 2022

GM factory document — 2016 chevrolet canyon colorado electrical body builders manual service manual 2016 en us, p.11.
GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.12.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.11.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.11.

Suburban — T1XX (2021–2027)

2022–2023 Factory-verified internal

GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.12.

Tahoe — T1XX (2021–2027)

2022–2023 Factory-verified internal

GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.12.

Volt — second generation (2016–2019)

2017 Factory-verified internal

LT, Premier: O; deleted for 2018 (GM Authority's 2018 RPO change list, which it calls GM's official list)

GM factory document — 2017 chevrolet volt fleet order guide wayback, p.4.

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