UC3 ✓ Factory-verified

GMC · Regular Production Option

Steering wheel controls, audio and phone

Years 2019 Models 1 Factory citations 1

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Also documented for BuickCadillacChevrolet

Documented applications

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

• 2019 ✓ Factory-verified

  all trims: S

  ⛭ GM factory document — 2019 gmc terrain order guide copy gm authority, p.7, p.35.

This page aggregates every documented appearance of UC3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.