UCB ✓ Factory-verified

Buick · Regular Production Option

USB ports, 2 type-C, single charge, third row

Years 2006–07, 2025–27 Models 2 Factory citations 5

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Also described as Wiring harness, truck trailer, 4 wire

Also documented for CadillacChevroletGMC

Documented applications

Enclave — VSS-S (2025–2027) →

• 2025–2027 ✓ Factory-verified

  S on all trims

  ⛭ GM factory document — 2025 buick all new enclave fleet order guide, p.2.

  ⛭ GM factory document — 2026 buick enclave fleet order guide, p.2.

  ⛭ GM factory document — 2027 buick enclave fleet order guide, p.2.

Rainier — GMT360 (2004–2007) →

• 2006–2007 ✓ Factory-verified
  ⛭ GM factory document — 2006 buick rainier 2wd rpo code list, p.1.

  ⛭ GM factory document — 2007 buick rainier rpo code list, p.1.

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