LS fleet convenience package

Years 2018–19, 2025–27 Models 2 Factory citations 5

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Also described as WT Fleet Convenience Package

Also documented for GMC

Documented applications

Cruze — second generation (2016–2019)

2018–2019 Factory-verified

includes K34, UC3, SJF and ZFH; 2018: sedan O: 1SB; 2019: sedan O: 1SB; hatch O: 1SB

GM factory document — 2018 chevrolet cruze order guide copy gm authority, p.41, p.88.
GM factory document — 2019 chevrolet cruze order guide june 1 2018 copy gm authority, p.31, p.37, p.71.

Silverado HD (T1XX, 2020–2027)

2025–2027 Factory-verified

only in: 2500 HD, 3500 HD, 3500 HD chassis cab

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.

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