- 2027 Factory-verified
Pro: O; AT4, Elevation, AT4X, Denali, Denali Ultimate: not offered
RHM Factory-verified
Also described as Tire, spare, LT265/70R17 C 112Q BW AT
Also documented for Chevrolet
Documented applications
- 2014, 2016–2018 Factory-verified
- 2019–2020, 2022–2026 Factory-verified
This page aggregates every documented appearance of RHM in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.