Interior trim, Jet Black / Ceramic White

Years 2023–26 Models 4 Factory citations 8

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Also described as Interior trim, Jet Black/Ceramic White

Documented applications

Canyon — Third generation (VSS-T) (2023–2027)

2023–2024, 2026 Factory-verified

GM factory document — 2023 gmc 23canyon electrical body builder 2023march13, p.9.
GM factory document — 2024 gmc 24 canyon electrical body builder manual 2023oct04, p.9.
GM factory document — 2026 gmc canyon electrical body builder manual service manual 2026 en us, p.4.

Sierra — T1XX (2019–2026)

2023–2025 Factory-verified

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.

Yukon — T1XX (2021–2027)

2026 Factory-verified

GM factory document — 2026 gmc yukon yukon xl electrical body builder manual service manual 2026 en us, p.4.

Yukon XL — T1XX (2021–2027)

2026 Factory-verified

GM factory document — 2026 gmc yukon yukon xl electrical body builder manual service manual 2026 en us, p.4.

This page aggregates every documented appearance of 4B4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.