- 2025–2027 Factory-verified
2025: Denali: S; AT4: O; Elevation: not offered; 2026–2027: AT4X, Denali: S; Elevation, AT4: not offered; from November 4, 2024 production; earlier vehicles carry AGJ (2025 guide)
AGG Factory-verified
Also described as Glass, solar glazing, front side
Also documented for CadillacChevrolet
Documented applications
- 2025–2027 Factory-verified
This page aggregates every documented appearance of AGG in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.