Transmission, 6 speed automatic

Years 2017–19 Models 1 Factory citations 3

Also documented for Buick

Documented applications

Acadia — Second generation (C1XX) (2017–2023)

2017–2019 Factory-verified

2019 guide: SL, SLE-1, SLE-2, SLT-1: S; with the LCV engine; GM Authority's 2020 changes page lists M2D among the 6 speed gearboxes deleted for 2020

GM factory document — 2017 gmc acadia order guide copy gm authority, p.7, p.26.
GM factory document — 2018 gmc acadia order guide copy gm authority, p.9, p.35.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.9, p.36.

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