Power window, front passenger, express up/down

Years 2019–20, 2022–27 Models 4 Factory citations 24

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Also described as Window, power, front, passenger express up and downWindow, power, front passenger express up and down

Also documented for Buick Cadillac Chevrolet

Documented applications

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

only in: 2500 HD and 3500 HD pickup; SLT, AT4, AT4X, Denali, Denali Ultimate: included in the trim group; Pro, SLE: not offered

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.19.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.17.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.17.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.9.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.10.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.10.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.10.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.11.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.9.
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.

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.9.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.9.
GM factory document — 2025 gmc new yukon denali fleet order guide, p.8.
GM factory document — 2026 gmc yukon denali fleet order guide, p.8.
GM factory document — 2027 gmc yukon fleet order guide, p.8.

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.9.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.9.
GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.8.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.8.
GM factory document — 2027 gmc yukon xl fleet order guide, p.8.

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