- 2025–2027 Factory-verified
includes A2X, AL9, KAG, N53, KI3; all Y19 content is standard on RS; 2025–2027: S in LT 2 (included with ZL3 or 6K5); A in LT 1 (requires AS2); not offered in RS
Y19 Factory-verified
Also described as Package, Comfort
Also documented for CadillacGMC
Documented applications
- 2025–2027 Factory-verified
LT: O; includes KA1, UVD, N5F and VY7; requires ZL5
This page aggregates every documented appearance of Y19 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.