Assist steps, aluminum, fixed

Years 2004–08, 2025–26 Models 3 Factory citations 11

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Also described as Steps, assist

Also documented for Chevrolet

Documented applications

Canyon — GMT355 (2004–2012)

2004–2008 Factory-verified

GM factory document — 2004 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2005 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2006 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2007 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2008 gmc canyon pickup 2wd rpo code list, p.1.

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.
GM factory document — 2025 gmc hummer ev pickup fleet order guide, p.4.
GM factory document — 2026 gmc hummer ev pickup fleet order guide, p.5.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

not available with the Extreme Off-Road Package (Z6X) or the LPO rocker protectors with assist steps (S6L).

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.5.

This page aggregates every documented appearance of E01 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.