1LS Factory-verified

Chevrolet · Regular Production Option

Equipment group 1LS, LS

Years 2006–09, 2012, 2014–27 Models 26 Factory citations 74

Also described as Trim group, 1LSPackage, LSPackage, LS option 1Equipment group, LSTrim group, LSEquipment group: LS (1LS)Preferred equipment group, LSEquipment group, 1LS, LS trimLS trim group

Also documented for GMC Pontiac

Documented applications

Camaro — Gen 5 Zeta (2010–2015)

2014–2015 Factory-verified

only in: coupe (model 1EE37)

GM factory document — 2014 chevrolet camaro fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet camaro fleet order guide wayback, p.1.

Captiva Sport — Theta (2012–2015)

2014 Factory-verified

model 1LD26 (FWD LS); NICB series Captiva Sport 1LS

GM factory document — 2014 chevrolet captiva sport fleet fleet order guide wayback, p.2.

City Express (2015–2018)

2015–2018 Factory-verified

the 2015 fleet guide names the 1LS FWD model 15S60; NICB names the City Express LS; 2018 guide: Work Van group on model 15S60

GM factory document — 2015 chevrolet city express fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet city express electrical body builders manual service manual 2015 en us, p.7.
GM factory document — 2017 chevrolet city express electrical body builders manual service manual 2017 en us, p.7.
GM factory document — 2018 chevrolet 18 city express bodybuilders sm 2 w cvr pg, p.9.
GM factory document — 2018 chevrolet city express order guide copy gm authority, p.1, p.19.

Cobalt — Delta (2005–2010)

2006–2009 Factory-verified

2006 comes from the 2006 kit order guide, whose column headings show it; the 2006 factory list has no entry.

GM factory document — 2007 chevrolet cobalt rpo code list, p.1.
GM factory document — 2008 chevrolet cobalt rpo code list, p.1.
GM factory document — 2009 chevrolet cobalt rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet Cobalt, p.113.
GM Heritage factory kit — 2007 Chevrolet Cobalt, p.31.

Equinox — first generation (2005–2009)

2007–2009 Factory-verified

2007 from the 2007 kit order guide; the factory list of that year has no entry.

GM factory document — 2008 chevrolet equinox rpo code list, p.1.
GM factory document — 2009 chevrolet equinox rpo code list, p.1.
GM Heritage factory kit — 2007 Chevrolet Equinox, p.83.

Equinox — Second generation (2010–2017)

2015 Factory-verified

models 1LF26 (FWD) and 1LG26 (AWD)

GM factory document — 2015 chevrolet equinox fleet order guide wayback, p.1.
2017 Factory-verified

models 1LF26 (FWD) and 1LG26 (AWD)

GM factory document — 2017 chevrolet equinox order guide copy gm authority, p.29.

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

2019 Factory-verified

FWD and AWD, LYX engine; the 2018 guide prints 1LS only with footnote digits

GM factory document — 2019 chevrolet equinox order guide april 6 2018 copy gm authority, p.97.
2021–2022 Single-source

2021: GM Authority 2022 changes page; 2022: GM Authority 2022 wheel article

Express — GMT610 (2003–2027)

2025–2027 Factory-verified

GM fleet Passenger models CG23406, CG33406, CG33706; shown in the column headings of the guides

GM factory document — 2025 chevrolet express passenger fleet order guide, p.13.
GM factory document — 2026 chevrolet express passenger fleet order guide, p.14.
GM factory document — 2027 chevrolet express passenger fleet order guide, p.13.

HHR (2006–2011)

2006–2009 Factory-verified

GM factory document — 2006 chevrolet hhr rpo code list, p.1.
GM factory document — 2007 chevrolet hhr rpo code list, p.1.
GM factory document — 2008 chevrolet hhr rpo code list, p.1.
GM factory document — 2009 chevrolet hhr rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet HHR, p.25, p.97, p.98, p.99, p.100, p.103, p.104, p.105, p.108, p.110.

Impala — tenth generation (2014–2020)

2014–2016 Factory-verified

model 1GX69; retail orders only (the interior pages print the column head with a footnote digit, 1LS1); NICB series LS

GM factory document — 2014 chevrolet impala fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet impala fleet order guide wayback, p.1.
GM factory document — 2016 chevrolet impala fleet order guide wayback, p.1.
2017–2019 Single-source

printed only by the NICB VIN manuals (2017 p.50, 2018 p.49, 2019 p.49) as LS (1LS); the 2020 and 2021 manuals also print it for 2020, but GM's 2020 fleet order guide lists only the LT and Premier and GM Authority's 2020 page drops the LS, so 2020 is not claimed

Impala — ninth generation (2006–2016)

2006–2007 Factory-verified

LS (model 1WB19); the order guides print it as a column heading only, with no description.

GM Heritage factory kit — 2006 Chevrolet Impala, p.111.
GM Heritage factory kit — 2007 Chevrolet Impala, p.113.

Malibu — eighth generation (2013–2016)

2015–2016 Factory-verified

model 1GB69; retail orders only; NICB series LS (1LS)

GM factory document — 2015 chevrolet malibu fleet order guide wayback, p.1.
GM factory document — 2016 chevrolet malibu limited fleet order guide wayback, p.1.
2014 Confirmed

GM's 2014 RPO change list (GM Authority) drops U2K from 1LS for 2014

Malibu — ninth generation (2016–2025)

2016 Factory-verified

model 1ZC69; GM's 2016 Malibu order guide

GM factory document — 2016 chevrolet malibu order guide copy gm authority, p.1.
2017–2024 Single-source

rests only on the NICB VIN manuals (2017 p.50, 2018 p.49, 2019 p.49, 2020 p.46, 2021 p.45, 2022 p.38, 2023 p.33, 2024 p.42: series LS (1LS))
2025 Factory-verified

model 1ZC69

GM factory document — 2025 chevrolet malibu fleet order guide, p.1.

Silverado — GMT800 (1999–2007)

2006–2007 Factory-verified

GM Heritage factory kit — 2006 Chevrolet Silverado, p.239.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.234.

Sonic — first generation (2012–2020)

2012 Single-source

relabeled 1SA for 2013 (GM Authority 2013 changes article (not a GM document))

Suburban — K2XX (2015–2020)

2015–2016, 2018–2019 Factory-verified

the guides head the LS column with it (order model C*15906); 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)

GM factory document — 2015 chevrolet suburban fleet order guide wayback, p.2.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.2.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.1.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

the body-builder lists name it LS option 1

GM factory document — 2025 chevrolet new suburban fleet order guide, p.1.
GM factory document — 2026 chevrolet suburban fleet order guide, p.1.
GM factory document — 2027 chevrolet suburban fleet order guide, p.1.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.9.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.9.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.4.

Tahoe — GMT900 (2007–2014)

2007 Factory-verified

Named as an equipment group in the 2007 kit's order-guide pages, where p.143 pairs LS (1LS), LT (1LT), LT (2LT), LT (3LT) and LTZ (1LZ); no GM list prints it.

GM Heritage factory kit — 2007 Chevrolet Tahoe, p.131, p.143.

Tahoe — K2XX (2015–2020)

2015–2016, 2018–2019 Factory-verified

the guides head the LS column with it (order model C*15706); 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)

GM factory document — 2015 chevrolet tahoe fleet order guide wayback, p.1.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.2.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.1.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

the body-builder lists name it LS option 1

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.9.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.9.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.4.

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

2025–2027 Factory-verified

trim group heading of the LS columns (1TR56 FWD, 1TV56 AWD in 2025–2026; 1TF56 FWD, 1TK56 AWD in 2027)

GM factory document — 2025 chevrolet trailblazer fleet order guide, p.1.
GM factory document — 2026 chevrolet trailblazer fleet order guide, p.1.
GM factory document — 2027 chevrolet trailblazer limited fleet order guide, p.1.

Traverse — First generation (2009–2017)

2015 Factory-verified

the guide lists 1LS under the LS column, for FWD and AWD models.

GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.2.
GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.3.

Traverse — C1XX (2018–2024)

2018–2019, 2022 Factory-verified

LS: S; FWD and AWD; 2022: GM Authority's 2022 changes page, its Safety Package line (available on 1LS), its A2X line (standard on all but 1LS) and its 6 way manual driver seat adjuster line (standard on 1LS)

GM factory document — 2018 chevrolet traverse order guide copy gm authority, p.65.
GM factory document — 2019 chevrolet traverse order guide copy gm authority, p.92.

Trax — first US generation (2015–2022)

2016 Confirmed

column heading of the 2016 guide's equipment pages (p.2 to p.5), where it prints 1LS1 (footnote 1): retail LS orders only; not cited because the guide prints the group only with the footnote digit; GM Authority's 2016 changes article names the LS group
2018–2019 Factory-verified

column heading of the guides' equipment pages

GM factory document — 2018 chevrolet trax order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet trax order guide copy gm authority, p.1.

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

2025–2026 Factory-verified

column heading of the guides' equipment pages (1TR58 LS)

GM factory document — 2025 chevrolet trax fleet order guide, p.1.
GM factory document — 2026 chevrolet trax fleet order guide, p.1.

Uplander (2005–2008)

2006–2008 Factory-verified

the 2006 kit prints the group in its color and trim table; the 2006 lists do not print it

GM factory document — 2007 chevrolet uplander rpo code list, p.1.
GM factory document — 2008 chevrolet uplander rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet Uplander, p.149.

This page aggregates every documented appearance of 1LS in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.