UUJ ✓ Factory-verified

GMC · Regular Production Option

Audio system, AM/FM stereo with MP3 compatible CD/DVD player, USB port

Years 2014 Models 1 Factory citations 2

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Also documented for Chevrolet

Documented applications

Sierra HD — GMT900 (2007–2014) →

• 2014 ✓ Factory-verified

  crew cab; comes only with U42

  ⛭ GM factory document — 2014 gmc sierra 2500hd fleet order guide wayback, p.2.

  ⛭ GM factory document — 2014 gmc sierra 3500hd fleet order guide wayback, p.2.

Related codes · mentioned in these notes

U42

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