UBK ✓ Factory-verified

Chevrolet · Regular Production Option

USB port, type-C, located within the center console armrest bin

Years 2025–27 Models 2 Factory citations 8

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Also documented for GMCPontiac

Documented applications

Blazer EV (2024–2027) →

• 2025–2027 ✓ Factory-verified
  ⛭ GM factory document — 2025 chevrolet blazer ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet blazer ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet blazer ev fleet order guide rpo codes, p.1.

Silverado EV — BT1 (2024–2027) →

• 2025–2027 ✓ Factory-verified

  2025: S in 3LT, 2SP, 3SP; not offered in 2WT, 5WT, 8WT; 2026: S in 2LT, 3LT, 4LT, 2TR, 3TR, 2SP, 3SP; not offered in 4WT, 5WT, 8WT; 2027: S in 2LT, 3LT, 2TR, 3TR; not offered in 4WT, 5WT, 8WT

  ⛭ GM factory document — 2025 chevrolet silverado ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 chevrolet silverado ev fleet order guide, p.6.

  ⛭ GM factory document — 2026 chevrolet silverado ev fleet order guide, p.7.

  ⛭ GM factory document — 2027 chevrolet silverado ev fleet order guide, p.7.

Related codes · mentioned in these notes

2LT2SP2TR2WT3LT3SP3TR4LT4WT5WT8WT

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