Frank, w/ something that new you should be able to go to yer local bodyshop paint supply and look in their color chip books and find exactly what the code means - the codes on the truck will be GM numbers, but will be listed against various paint brand numbers - even my NAPA has a whole slew of books that cover all makes, car and truck, back to the 70's

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics