Windows, remote express-up/-down, driver and front passenger, express-down all passengers

Years 2025–27 Models 2 Factory citations 7

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Also described as Windows, remote express-down, front and rear door windows, and express-up front windows

Also documented for GMC

Documented applications

Silverado EV — BT1 (2024–2027)

2025–2027 Factory-verified

2025: S in 2SP, 3SP; not offered in 2WT, 5WT, 8WT, 3LT; 2026: S in 2TR, 3TR, 2SP, 3SP; not offered in 4WT, 5WT, 8WT, 2LT, 3LT, 4LT; 2027: S in 2TR, 3TR; not offered in 4WT, 5WT, 8WT, 2LT, 3LT

GM factory document — 2025 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado ev fleet order guide, p.9.
GM factory document — 2026 chevrolet silverado ev fleet order guide, p.11.
GM factory document — 2027 chevrolet silverado ev fleet order guide, p.10.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.6.

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