- 2018–2019 Factory-verified
2018: sedan S: L, 1SA, 1SB; 2019: sedan S: L, 1SB; hatch S: 1SB
Q1M Factory-verified
Documented applications
This page aggregates every documented appearance of Q1M in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.