1SC Factory-verified

Chevrolet · Regular Production Option

Package, option 03

Years 1987–88, 1995–00, 2003, 2005, 2007–09, 2013–14, 2016–19, 2021–22 Models 25 Factory citations 55

Also described as Option package 3Preferred equipment group 2Preferred equipment group 2, sedanSpecial value package 3Equipment group, police detective vehiclePreferred equipment group 1SCPreferred equipment group, base, convertibleEquipment groupEquipment group 1SC, 1LT, manual transmissionEquipment group 1SC, LTPreferred equipment group, baseOption package 1SCEquipment group: LTEquipment group 1SC, LT manualEquipment group 1SC, 1LT manualEquipment group 1SC, 1LTPreferred equipment group, LT decor

Also documented for Buick Cadillac GMC Pontiac Saturn

Documented applications

Astro — Second generation (1995–2005)

2000 Factory-verified

GM factory document — 2000 chevrolet astro 2wd rpo code list, p.1.

Camaro — Gen 3 (1982–1992)

1987–1988 Factory-verified

contents differ by model

GM Heritage factory kit — 1987 Chevrolet Camaro, p.7.
GM Heritage factory kit — 1988 Chevrolet Camaro, p.43.

Camaro — Gen 4 (1993–2002)

1995–1998 Factory-verified

coupe order guide; group 2 of the three coupe groups

GM Heritage factory kit — 1995 Chevrolet Camaro, p.8.
GM Heritage factory kit — 1996 Chevrolet Camaro, p.14.
GM Heritage factory kit — 1997 Chevrolet Camaro, p.6.
GM Heritage factory kit — 1998 Chevrolet Camaro, p.9.

Caprice — third generation, B-body (1983–1990)

1988 Factory-verified

1988 guide and price list

GM Heritage factory kit — 1988 Chevrolet Caprice, p.10.

Caprice — fourth generation, B-body (1991–1996)

1995 Factory-verified

only in: sedan (1BL19); the caprice-gen3 doc reads 1SC as option package 3 (1988); the code changed meaning between 1995 and 1996, so the rows split by year

GM Heritage factory kit — 1995 Chevrolet Caprice, p.7.
1996 Factory-verified

only in: sedan (1BL19); required with the leather seat; the page prints ISC; the caprice-gen3 doc reads 1SC as option package 3 (1988); the code changed meaning between 1995 (preferred equipment group) and 1996 (special value package)

GM Heritage factory kit — 1996 Chevrolet Caprice, p.11.

Caprice — Caprice PPV (2011–2017)

2013 Confirmed

GM's 2014 changes delete the detective equipment group, printed 9C3/1SC, so 2013 is its last year

Cavalier — third generation (1995–2005)

1995, 1997–1999 Factory-verified

base coupe

GM Heritage factory kit — 1995 Chevrolet Cavalier, p.8.
GM Heritage factory kit — 1999 Chevrolet Cavalier, p.9.

Corsica — L-body (1987–1996)

1995–1996 Factory-verified

group 2

GM Heritage factory kit — 1995 Chevrolet Corsica, p.8.
GM Heritage factory kit — 1996 Chevrolet Corsica, p.6.

Corvette — C4 (1984–1996)

1996 Factory-verified

GM Heritage factory kit — 1996 Chevrolet Corvette, p.37.

Corvette — C5 (1997–2004)

2003 Factory-verified

Heritage 2003 order guide only: a column of the coupe and convertible, where the 50th Anniversary Package (Z25) is marked included

GM Heritage factory kit — 2003 Chevrolet Corvette, p.103.
GM Heritage factory kit — 2003 Chevrolet Corvette, p.107.

Cruze — first generation (2011–2016)

2014, 2016 Factory-verified

model 1PX69

GM factory document — 2014 chevrolet cruze fleet order guide wayback, p.2.
GM factory document — 2016 chevrolet cruze limited fleet order guide wayback, p.2.

Cruze — second generation (2016–2019)

2018 Factory-verified

manual transmission; sedan (1BT69) and hatch (1BT68)

GM factory document — 2018 chevrolet cruze order guide copy gm authority, p.1, p.9.

Equinox — first generation (2005–2009)

2005 Factory-verified

Equipment group in the 2005 kit order guide (LT models); the number reads option 03 in GM's other lists.

GM Heritage factory kit — 2005 Chevrolet Equinox, p.79.

Lumina — second generation (1995–2001)

1995–1996, 1999 Factory-verified

LS order guide; the 1996 kit prints it ISC.

GM Heritage factory kit — 1995 Chevrolet Lumina, p.12.
GM Heritage factory kit — 1996 Chevrolet Lumina, p.22.
GM Heritage factory kit — 1999 Chevrolet Lumina, p.14.

Malibu — Fifth generation (1997–2005)

1997–1999 Factory-verified

1997 from the Malibu kit order guide.

GM Heritage factory kit — 1997 Chevrolet Malibu, p.7.
GM Heritage factory kit — 1998 Chevrolet Malibu, p.6.
GM Heritage factory kit — 1999 Chevrolet Malibu, p.27.

Monte Carlo — fourth generation (1983–1988)

1988 Factory-verified

only in: LS; package 2 plus power locks, windows and trunk opener, gauge package, twin remote mirrors, door edge guards, sill moldings and cassette radio; the LS guide's restriction remarks also call it MLA3

GM Heritage factory kit — 1988 Chevrolet Monte Carlo, p.34.

Nova — NUMMI (1985–1988)

1987–1988 Factory-verified

1987: Nova option package 3; 1988: Twin Cam package at 675.00 with air conditioning (p.10) and hatchback package at 900.00 (p.14, printed 15C)

GM Heritage factory kit — 1987 Chevrolet Nova, p.10.
GM Heritage factory kit — 1987 Chevrolet Nova, p.12.
GM Heritage factory kit — 1988 Chevrolet Nova, p.10.

Silverado — GMT800 (1999–2007)

2003, 2005 Factory-verified

GM Heritage factory kit — 2003 Chevrolet Silverado 1500, p.191.
GM Heritage factory kit — 2005 Chevrolet Silverado 1500, p.174.
GM Heritage factory kit — 2005 Chevrolet Silverado 1500HD, p.102.

Sonic — first generation (2012–2020)

2013 Single-source

replaced 1LT for 2013 (GM Authority 2013 changes article (not a GM document))
2017–2019 Factory-verified

LT sedan and 5-door, manual transmission (models 1JV69, 1JV48); column headings of the guides; GM Authority 2020 page lists it as dropped for 2020 with the manual transmission

GM factory document — 2017 chevrolet sonic order guide copy gm authority, p.1, p.8.
GM factory document — 2018 chevrolet sonic order guide copy gm authority, p.1, p.7.
GM factory document — 2019 chevrolet sonic order guide may 4 2018 copy gm authority, p.1, p.7.

Spark — M400 (2016–2022)

2017–2019 Factory-verified

1LT with the 5 speed manual (model 1DS48); the years come from the column headings of the guides; 2018 from GM's 2018 order guide

GM factory document — 2017 chevrolet spark order guide copy gm authority, p.1.
GM factory document — 2018 chevrolet spark order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet spark order guide copy gm authority, p.1.
2021–2022 Single-source

1LT; the transmission is not named; GM Authority's 2021 interior color and trim page (which calls the trim LT) and its 2022 Blue Glow article print the 1LT with 1SC and 1SD (neither credits GM)

Tahoe — GMT400 (1995–1999)

1995–1999 Factory-verified

LT decor; the 1998 and 1999 pages show leather trim with it

GM Heritage factory kit — 1995 Chevrolet Tahoe, p.14.
GM Heritage factory kit — 1996 Chevrolet Tahoe, p.26.
GM Heritage factory kit — 1997 Chevrolet Tahoe, p.15.
GM Heritage factory kit — 1998 Chevrolet Tahoe, p.41.
GM Heritage factory kit — 1999 Chevrolet Tahoe, p.13.

TrailBlazer — GMT360 (2002–2009)

2003 Factory-verified

equipment group; the kit order guide heads its columns with it, and the service lists do not print it

GM Heritage factory kit — 2003 Chevrolet Trailblazer, p.111.

Traverse — First generation (2009–2017)

2009 Factory-verified

generic wording in a list GM shared with other nameplates.

GM factory document — 2009 chevrolet traverse rpo code list, p.1.

Uplander (2005–2008)

2005, 2007, 2008 Factory-verified

the 2005 kit heads equipment groups 1SA, 1SC, 1SD and 1SF; the 2005 lists do not print them

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 — 2005 Chevrolet Uplander, p.115.

Venture — U-body minivan (1997–2005)

1997–1999, 2003, 2005 Factory-verified

equipment group; the kit order guides name it in their column headings or in option requirements, and the Venture service lists do not print it; GM's lists give the code this option number for other vehicles.

GM Heritage factory kit — 1997 Chevrolet Venture, p.45.
GM Heritage factory kit — 1998 Chevrolet Venture, p.23.
GM Heritage factory kit — 1999 Chevrolet Venture, p.12.
GM Heritage factory kit — 2003 Chevrolet Venture, p.85.
GM Heritage factory kit — 2005 Chevrolet Venture, p.85.

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