- 2025–2026 Factory-verified
only in: 2500 HD and 3500 HD pickup; adjusts steering effort automatically with speed and road conditions; SLT, AT4, AT4X, Denali, Denali Ultimate: S; Pro, SLE: not offered
NV8 Factory-verified
Also documented for BuickCadillacChevroletOldsmobilePontiac
Documented applications
This page aggregates every documented appearance of NV8 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.