NUC ✓ Factory-verified

Chevrolet · Regular Production Option

Emission system, California ULEV50

Years 2021–23 Models 3 Factory citations 5

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Also described as Emissions system, California, ULEV50

Also documented for CadillacGMC

Documented applications

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

• 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 — 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.11.

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.11.

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