- 2025–2027 Factory-verified
2027: RST: O; includes NHT, Z95, F47, DCH
RGK Factory-verified
Also documented for GMC
Documented applications
- 2025–2027 Factory-verified
2027: RST: O; includes NHT, Z95, F47, DCH
This page aggregates every documented appearance of RGK in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.