5V4 ✓ Factory-verified

GMC · Regular Production Option

LPO, exterior appearance package 1

Years 2026 Models 2 Factory citations 2

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Also documented for Chevrolet

Documented applications

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 5V4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.