Transmission, 6 speed automatic, electronically controlled, with driver shift control

Years 2016–18 Models 1 Factory citations 3

Also documented for GMC

Documented applications

Envision — D2XX, imported from China (2016–2020)

2016–2018 Factory-verified

1SN, 1SP: S; with LTG; the 2019 guide shows M3T in its place

GM factory document — 2016 buick envision order guide copy gm authority, p.5, p.17.
GM factory document — 2017 buick envision order guide copy gm authority, p.6, p.22.
GM factory document — 2018 buick envision order guide copy gm authority, p.6, p.20.

This page aggregates every documented appearance of M2D in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.