SIM ✓ Factory-verified

GMC · Regular Production Option

LPO, interior LED lighting kit

Years 2025–26 Models 2 Factory citations 4

Query this via API →

Also documented for Chevrolet

Documented applications

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

  SUV guide wording: LPO, Interior LED lighting kit, front footwell. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL.

  ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16.

  ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.19.

Related codes · mentioned in these notes

1SF1SG3VL

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