- 2023, 2025–2027 Factory-verified
the 2023 Upfitter list reads Mirror O/S - LH and RH, Manual Control, AUX WFOV, Short Arm, Color (SEO); O: Cutaway TG33503; not offered: Cutaway 2WT (2025–2026), Cutaway TG33803, Cutaway TG33903 (2025–2026); in the 2025–2027 guides only in the Cutaway guides
6M2 Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of 6M2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.