Transmission, automatic, 8 speed, 8L45

Years 2017–22 Models 1 Factory citations 5

Also documented for GMC

Documented applications

Colorado — Second generation (GMT31XX) (2015–2022)

2017–2019, 2021–2022 Factory-verified

with LGZ in the 2021 guide; 2018 from GM's 2018 Colorado order guide (PDF)

GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.12.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.11.
GM factory document — 2021 chevrolet colorado fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.11.
GM factory document — 2018 chevrolet colorado order guide copy gm authority, p.39.
2020 Single-source

2020 from GM Authority's 2020 Colorado page (powertrain table)

This page aggregates every documented appearance of M5T in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.