P79 ✓ Factory-verified

GMC · Regular Production Option

Rear drive unit, 2 motor, integrated inverter, torque vectoring drive system

Years 2025–26 Models 2 Factory citations 6

Query this via API →

Also documented for Pontiac

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.

  ⛭ 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

  SUV guide wording: Drive unit, rear, 2 motors, integrated inverter, torque vectoring drive system. 2025: S in 1SG; not offered in 1SF; 2026: S in 1SG; not offered in 3VL, 1SF.

  ⛭ 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.

Related codes · mentioned in these notes

1SF1SG3VL

This page aggregates every documented appearance of P79 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.