- 2022–2023 Factory-verified
all trims: S
A7J Factory-verified
Also documented for CadillacChevroletGMC
Documented applications
- 2025–2027 Factory-verified
S on all trims
This page aggregates every documented appearance of A7J in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.