ULV ✓ Factory-verified

Chevrolet · Regular Production Option

ZR2 Bison Edition

Years 2023–27 Models 4 Factory citations 13

Query this via API →

Also documented for GMC

Documented applications

Colorado — Third generation (2023–2027) →

• 2024–2027 ✓ Factory-verified

  AEV package; the 2026 upfitter list names it sales package Chevrolet Bison; ZR2: O; WT, LT, Trail Boss, Z71: not offered

  ⛭ GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.15.

  ⛭ GM factory document — 2025 chevrolet colorado fleet order guide, p.26.

  ⛭ GM factory document — 2026 chevrolet colorado fleet order guide, p.30.

  ⛭ GM factory document — 2027 chevrolet colorado fleet order guide, p.29.

Silverado 1500 — Fifth generation (2027) →

• 2027 ✓ Factory-verified

  includes PZ9, PZG, PZL, PZN, PZZ, Q81, S4C, S6L

  ⛭ GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.43.

Silverado HD (T1XX, 2020–2027) →

• 2025–2027 ✓ Factory-verified

  only in: 2500 HD

  ⛭ GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Silverado — T1XX (2019–2026) →

• 2023–2026 ✓ Factory-verified
  ⛭ GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.15.

  ⛭ GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.17.

  ⛭ GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

Related codes · mentioned in these notes

AEVPZ9PZGPZLPZNPZZQ81S4CS6LZ71ZR2

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