Transmission, automatic, 8 speed, 8L80

Years 2023–27 Models 2 Factory citations 9

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Also described as Transmission, 8 speed automatic

Also documented for Chevrolet

Documented applications

Canyon — Third generation (VSS-T) (2023–2027)

2023–2027 Factory-verified

S on all trims; the upfitter lists add GEN 2, ATSS and CPA

GM factory document — 2023 gmc 23canyon electrical body builder 2023march13, p.11.
GM factory document — 2024 gmc canyon fleet order guide wayback, p.1.
GM factory document — 2025 gmc canyon fleet order guide, p.6.
GM factory document — 2026 gmc canyon fleet order guide, p.8.
GM factory document — 2027 gmc canyon fleet order guide, p.8.

Sierra — T1XX (2019–2026)

2024–2026 Factory-verified

8L80, Gen 2, ATSS, CPA

GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.14.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.12.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

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