- 2018, 2022–2027 Factory-verified
the 2025–2027 guides read Window security bar, rear side door; O on all trims; in the 2025–2027 guides only in the Cargo guides
ASB Factory-verified
Also documented for GMC
Documented applications
This page aggregates every documented appearance of ASB in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.