- 2014, 2016 Factory-verified
all: S
GNF Factory-verified
Also documented for Buick
Documented applications
- 2018–2019 Factory-verified
2018: sedan S: L, 1SA, 1SB, 1SC, 1SD, 1SG, 1SH; hatch S: 1SC, 1SD, 1SG, 1SH; 2019: sedan S: L, 1SB, 1SD, 1SH; hatch S: 1SB, 1SD, 1SH
- 2025–2026 Factory-verified
all trims: S
This page aggregates every documented appearance of GNF in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.