Ship thru, with spray-on bedliner (CGN), Ft. Wayne Assembly to Knapheide Truck Equipment, Flint, MI, and back to Flint Assembly

Years 2025–27 Models 2 Factory citations 4

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Also described as Ship thru, Knapheide Truck Equipment, Flint, MI

Also documented for Chevrolet

Documented applications

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified internal

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.112.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra — T1XX (2019–2026)

2025–2026 Factory-verified internal

for orders with CGN spray-on bedliner; built at Ft. Wayne Assembly; returned to Flint Assembly for final shipping

GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of VCO in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.