Rear drive unit, 1 motor, integrated inverter

Years 2024–26 Models 2 Factory citations 6

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Also documented for Cadillac

Documented applications

Hummer EV Pickup (2022–2027)

2024–2026 Factory-verified

2024: GM Authority 2024 changes page

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.6.
GM factory document — 2026 gmc hummer ev pickup fleet order guide, p.7.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

2025: S in 1SF; not offered in 1SG; 2026: S in 3VL, 1SF; not offered in 1SG.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.7.

This page aggregates every documented appearance of P80 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.