Transmission, continuously variable, Jatco CVT7

Years 2014–15 Models 1 Factory citations 3

Documented applications

Spark — M300 (2013–2015)

2014–2015 Factory-verified

new for 2014, replacing MNG (GM Authority 2014 Spark changes); GM bulletins PIP5160 (November 2013, 2014 Spark) and PIP5120C (July 2015, 2014–2015 Spark) name the Jatco CVT7 RPO M4M, and GM program 20710 (January 2016) covers 2014–2015 Sparks with the CVT RPO M4M

GM factory document — 2013 gm bulletin pip5160 copy nhtsa, p.1.
GM factory document — 2015 gm bulletin pip5120c copy nhtsa, p.1.
GM factory document — 2016 gm bulletin csp20710 spark cvt rpo m4m copy nhtsa, p.1.

This page aggregates every documented appearance of M4M in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.