- 2017–2019 Factory-verified
2019 guide: SLE-1, SLE-2, SLT-1: O; with the LGX engine without the Trailering Package
KW8 Factory-verified
Also documented for CadillacChevroletPontiac
Documented applications
- 2016–2017 Factory-verified
only in: LFX; SLE-2, SLT, Denali
This page aggregates every documented appearance of KW8 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.