- 2017–2018 Factory-verified
LS: S; GM's 2019 change list deletes it; 2018 from GM's 2018 order guide
TL6 Factory-verified
Also documented for Hummer
Documented applications
This page aggregates every documented appearance of TL6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.