- 2018 Factory-verified
2018: sedan S: 1SF; O: 1SD, 1SH; hatch S: 1SF; O: 1SD, 1SH
C93 Factory-verified
Also documented for Buick
Documented applications
This page aggregates every documented appearance of C93 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.