- 2025–2027 Factory-verified
2027: Denali, Denali Ultimate: O
5FG Factory-verified
Also documented for Chevrolet
Documented applications
- 2025–2027 Factory-verified
2027: Denali, Denali Ultimate: O
This page aggregates every documented appearance of 5FG in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.