- 2016–2017, 2019, 2021–2022 Factory-verified
2016: Canyon, SLE, SLT: O; SL: not offered; 2021 from the upfitter list GM files for 2021 and 2022
V8X Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of V8X in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.