- 2022–2023, 2025–2027 Factory-verified
2027: Premier, High Country: S; LT, RST, Z71: O
DCH Factory-verified
Also documented for GMC
Documented applications
- 2022–2023, 2025–2027 Factory-verified
2027: Premier, High Country: S; LT, RST, Z71: O
This page aggregates every documented appearance of DCH in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.