NUB ✓ Factory-verified

Buick · Regular Production Option

Emissions, California

Years 2018, 2022–23, 2025–26 Models 2 Factory citations 5

Query this via API →

Also documented for ChevroletGMC

Documented applications

Enclave — C1XX (2018–2024) →

• 2018, 2022–2023 ✓ Factory-verified internal

  ; included only with NE1 or YF5; 2018: GM order guide via GM Authority

  ⛭ GM factory document — 2018 buick enclave order guide copy gm authority, p.23, p.37.

  ⛭ GM factory document — 2022 buick enclave order guide copy nhtsa docket, p.31.

  ⛭ GM factory document — 2023 buick enclave order guide copy autoevolution wayback, p.29.

Enclave — VSS-S (2025–2027) →

• 2025–2026 ✓ Factory-verified internal

  ; O on all trims

  ⛭ GM factory document — 2025 buick all new enclave fleet order guide, p.25.

  ⛭ GM factory document — 2026 buick enclave fleet order guide, p.26.

Related codes · mentioned in these notes

NE1YF5

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