- 2013–2014 Confirmed
electric power steering, standard on all SS from 2013 (GM Authority 2013 RPO changes); GM Authority 2014 RPO list
NV9 Factory-verified
Documented applications
- 2016, 2019, 2023 Factory-verified
2019, 2023: variable ratio, electric;
This page aggregates every documented appearance of NV9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.