- 2015–2019, 2021–2022 Factory-verified
2015: Z71: S; LT: O; Base, WT: not offered; 2017: Z71: S; LT: O; Base, WT: not offered; the 2015 guide adds LED signature; the upfitter lists mark it do not use after 2009 major programs; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022
T3C Factory-verified
Also documented for GMC
Documented applications
This page aggregates every documented appearance of T3C in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.