- 2019 Factory-verified
touch-up WA-617D; the 2019 upfitter list names it Seeker Metallic; GM prints it with a letter O, and G60 is a different part (auxiliary rear spring); 2019 from GM Authority, 2019 Canyon exterior colors
G6O Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of G6O in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.