- 2015–2017, 2019, 2021–2022 Factory-verified
2015–2016: SLE, SLT: S; SL, Canyon: not offered; 2021: Elevation, AT4, Denali: S; Elevation Standard: not offered
C74 Factory-verified
Also documented for ChevroletPontiacSaturn
Documented applications
This page aggregates every documented appearance of C74 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.