UGN Factory-verified

GMC · Regular Production Option

Enhanced Automatic Emergency Braking

Years 2016–19, 2022–27 Models 11 Factory citations 38

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Also described as Enhanced automatic emergency brakingAutomatic collision preparation, forward, with brake prefill

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

S on all trims

GM factory document — 2025 gmc acadia fleet order guide, p.3.
GM factory document — 2026 gmc acadia fleet order guide, p.3.
GM factory document — 2027 gmc acadia fleet order guide, p.3.

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1.

Sierra EV — BT1 (2024–2027)

2025–2027 Factory-verified

GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra ev denali fleet order guide, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.2.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

all trims: included in the trim group

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.22.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra — T1XX (2019–2026)

2023–2026 Factory-verified

GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.15.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.17.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.15.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Terrain — Third generation (2025–2027)

2025–2027 Factory-verified

S on all trims

GM factory document — 2025 gmc next generation terrain fleet order guide, p.2.
GM factory document — 2026 gmc next generation terrain fleet order guide, p.3.
GM factory document — 2027 gmc terrain fleet order guide, p.3.

Yukon — K2XX (2015–2020)

2016–2019 Factory-verified

SLT, Denali; only with Y66; 2019 reads forward automatic braking; 2018 from GM's 2018 Yukon order guide

GM factory document — 2016 gmc yukon denali fleet order guide wayback, p.3.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.34.
GM factory document — 2019 gmc yukon denali fleet order guide wayback, p.1.
GM factory document — 2018 gmc yukon order guide copy gm authority, p.28.

Yukon — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.13.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.13.
GM factory document — 2025 gmc new yukon denali fleet order guide, p.3.
GM factory document — 2026 gmc yukon denali fleet order guide, p.3.
GM factory document — 2027 gmc yukon fleet order guide, p.3.

Yukon XL — K2XX (2015–2020)

2016–2017 Factory-verified

Denali: A, only with Y66; SLE, SLT: not available; the guide reads intelligent brake assist

GM factory document — 2016 gmc yukon xl denali fleet order guide wayback, p.3.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.16.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.34.

Yukon XL — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.13.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.13.
GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.3.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.3.
GM factory document — 2027 gmc yukon xl fleet order guide, p.3.

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