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

Years 2014–15 Models 2 Factory citations 1

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Also described as Transmission, 6 speed automatic

Also documented for Cadillac GMC

Documented applications

LaCrosse — Epsilon II, 2nd gen (2010–2016)

2015 Factory-verified

2015: 1SL AWD, 1SP AWD: S; only in: AWD; the guide gives MHH, M7W and M7U the same wording

GM factory document — 2015 buick lacrosse fleet order guide wayback, p.4.

Regal — Epsilon II, 5th gen (2011–2017)

2014 Confirmed

only in: AWD; new for 2014, AWD (GM's 2014 list); 2016 is left out: the 2016 guide prints it only with the included-in-equipment-group mark on 1SL, 1SN, 1SP and 1SX (p.26), group contents

This page aggregates every documented appearance of M7U in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.