KL9 Factory-verified

Chevrolet · Regular Production Option

Engine control, stop-start system

Years 2016, 2018–20, 2022–27 Models 15 Factory citations 49

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Also described as Engine controlAutomatic stop/startStop/start, automaticEngine control, stop/start system

Also documented for Buick Cadillac GMC

Documented applications

Blazer — C1XX (2019–2026)

2025–2026 Factory-verified

2LT, 3LT, RS: S; Premier: S (2025 only)

GM factory document — 2025 chevrolet blazer fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet blazer fleet order guide, p.8.
GM factory document — 2026 chevrolet blazer fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet blazer fleet order guide, p.7.

Colorado — Third generation (2023–2027)

2023–2027 Factory-verified

S on all trims

GM factory document — 2023 chevrolet 23colorado electrical body builder, p.11.
GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.12.
GM factory document — 2025 chevrolet colorado fleet order guide, p.50.
GM factory document — 2026 chevrolet colorado fleet order guide, p.56.
GM factory document — 2027 chevrolet colorado fleet order guide, p.54.

Cruze — second generation (2016–2019)

2018–2019 Factory-verified

2018: sedan S: 1SB, 1SD, 1SH, 1SF; hatch S: 1SD, 1SH, 1SF; 2019: sedan S on all; hatch S on all

GM factory document — 2018 chevrolet cruze order guide copy gm authority, p.66, p.69, p.85.
GM factory document — 2019 chevrolet cruze order guide june 1 2018 copy gm authority, p.49, p.52, p.69.

Equinox — Third generation (D2XX) (2018–2024)

2018 Factory-verified

L, LS, LT, Premier: S

GM factory document — 2018 chevrolet all new equinox fleet order guide wayback, p.1.
2019 Factory-verified

1SM, 1LS, 2FL, 1LT, 2LT, 3LT, 1LZ, 2LZ, 3LZ: S

GM factory document — 2019 chevrolet equinox order guide april 6 2018 copy gm authority, p.117.

Equinox — Fourth generation (2025–2027)

2025–2027 Factory-verified

S on all trims

GM factory document — 2025 chevrolet all new equinox fleet order guide, p.6.
GM factory document — 2026 chevrolet equinox fleet order guide, p.6.
GM factory document — 2027 chevrolet equinox fleet order guide, p.6.

Impala — tenth generation (2014–2020)

2016 Factory-verified

1LS, 1FL, 1LT: S; with LCV

GM factory document — 2016 chevrolet impala fleet order guide wayback, p.4.

Malibu — ninth generation (2016–2025)

2016 Factory-verified

L, LS, 1LT: S (with LFV); GM's 2016 Malibu order guide

GM factory document — 2016 chevrolet malibu order guide copy gm authority, p.5.
2025 Factory-verified

all trims: S

GM factory document — 2025 chevrolet malibu fleet order guide, p.8.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

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.11.

Silverado — T1XX (2019–2026)

2020, 2022–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.11.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.12.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.14.
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.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2025 chevrolet new suburban fleet order guide, p.7.
GM factory document — 2026 chevrolet suburban fleet order guide, p.7.
GM factory document — 2027 chevrolet suburban fleet order guide, p.7.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.11.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.7.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: retail guides: S on all trims

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.6.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.7.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.7.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.11.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.7.

Trailblazer — First generation, VSS-F (2021–2027)

2025–2027 Factory-verified

all trims: S

GM factory document — 2025 chevrolet trailblazer fleet order guide, p.7.
GM factory document — 2026 chevrolet trailblazer fleet order guide, p.7.
GM factory document — 2027 chevrolet trailblazer limited fleet order guide, p.8.

Traverse — C1XX (2018–2024)

2018–2019 Factory-verified

S on all trims

GM factory document — 2018 chevrolet traverse order guide copy gm authority, p.19, p.62.
GM factory document — 2019 chevrolet traverse order guide copy gm authority, p.21, p.90.
2024 Single-source

decoderpo.com's 2024 Traverse Limited order guide page lists it on its Standart Equipment tab (1LS); the page is a T3 mirror of GM's guide and the repository holds no GM document for 2024

Traverse — Third generation (2024–2027)

2025–2027 Factory-verified

S on all trims

GM factory document — 2025 chevrolet traverse fleet order guide, p.9.
GM factory document — 2026 chevrolet traverse fleet order guide, p.9.
GM factory document — 2027 chevrolet traverse fleet order guide, p.9.
2024 Single-source

decoderpo.com's 2024 ALL-NEW Traverse order guide page lists it on its Standart Equipment tab (LS, LT, Z71); the page is a T3 mirror of GM's guide and the repository holds no GM document for 2024

Trax — Second generation, VSS-F (2024–2026)

2025–2026 Factory-verified

all trims: S

GM factory document — 2025 chevrolet trax fleet order guide, p.8.
GM factory document — 2026 chevrolet trax fleet order guide, p.8.

This page aggregates every documented appearance of KL9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.