- 2027 Factory-verified
touch-up WA-237L; additional charge; only on Denali and Denali Ultimate; new for 2027
G46 Factory-verified
Also documented for BuickChevrolet
Documented applications
This page aggregates every documented appearance of G46 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.