Convenience Package II

Years 2019–20, 2022–25 Models 2 Factory citations 7

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Also described as Preferred package

Also documented for Chevrolet

Documented applications

Sierra — T1XX (2019–2026)

2019–2020, 2022–2025 Factory-verified

the 2024–2025 lists print its contents under the code (hitch view image adjustment, smart trailer integration indicator, universal garage door opener, premium branded audio, power rear sliding window, integrated trailer brake)

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.9.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.10.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.10.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.9.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.10.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.8.

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SLT: O; SLT Diesel: in group; Denali: S

GM factory document — 2019 gmc terrain order guide copy gm authority, p.1, p.26.

This page aggregates every documented appearance of 6K5 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.