Lighting, perimeter

Years 2001–02, 2022–27 Models 3 Factory citations 9

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Also described as Speedometer, dual scale, with kilometer odometer

Also documented for GMC Pontiac

Documented applications

Camaro — Gen 4 (1993–2002)

2001–2002 Factory-verified

GM factory document — 2001 chevrolet camaro rpo code list, p.1.
GM factory document — 2002 chevrolet camaro rpo code list, p.1.

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.29.

Silverado — T1XX (2019–2026)

2022–2026 Factory-verified

GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.14.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.15.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.17.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of U12 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.