- 2017, 2023 Factory-verified
2017: LT, Premier: dealer-installed option, included with PCW; 2023 EUV: not available with WK7
SD4 Factory-verified
Also documented for Cadillac
Documented applications
This page aggregates every documented appearance of SD4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.