U1X ✓ Factory-verified

Pontiac · Regular Production Option

Radio, AM/FM, stereo, seek, scan, multiple compact disc, clock, electronic tuning radio, HPS, auto tone

Years 2004–06 Models 1 Factory citations 3

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Documented applications

GTO — Fifth generation (2004–2006) →

• 2004–2006 ✓ Factory-verified

  The 2004 list words it as premium 200 watt radio, multiple compact disc.

  ⛭ GM factory document — 2004 pontiac gto rpo code list, p.1.

  ⛭ GM factory document — 2005 pontiac gto rpo code list, p.1.

  ⛭ GM factory document — 2006 pontiac gto rpo code list, p.1.

This page aggregates every documented appearance of U1X in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.