A31 Factory-verified

GMC · Regular Production Option

Window, power

Years 1983–89, 1998–10, 2014–19, 2022–27 Models 28 Factory citations 130

Also described as Windows, power, electricWindow, power operated, all doorsAll doors, power operated windowsWindow, power operated, side doorsWindow, power operated, sideWindows, powerWindows, power, driver express up and down, express down on other windowsWindows, power operated, all doorsWindows, power, all express down, front express up

Also documented for Buick Cadillac Chevrolet Hummer Oldsmobile Pontiac Saturn

Documented applications

Caballero — G-body (1983–1987)

1983–1987 Factory-verified

Shared G-body platform code; cited from the joint El Camino/Caballero pages of the Chevrolet El Camino kits

GM Heritage factory kit — 1983 Chevrolet El Camino, p.7.
GM Heritage factory kit — 1984 Chevrolet El Camino, p.7.
GM Heritage factory kit — 1985 Chevrolet El Camino, p.12.
GM Heritage factory kit — 1986 Chevrolet El Camino, p.6.
GM Heritage factory kit — 1987 Chevrolet El Camino, p.47.

Canyon — GMT355 (2004–2012)

2004–2009 Factory-verified

the 2004 lists print "Window Power Operated, Side".

GM factory document — 2004 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2005 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2006 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2007 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2008 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2009 gmc canyon pickup 2wd rpo code list, p.1.

Envoy — GMT360 (2002–2009)

2003 Factory-verified

GM factory document — 2003 gmc envoy 2wd rpo code list, p.1.

Jimmy (full-size) — Square body (1983–1991)

1983–1985 Single-source

side doors; included with ZQ2; the 1986 page names A31 only in the ZQ2 contents (its power window line has no legible code), so 1986 is left out; 1984 rests on the Chevrolet-only 1984 order guide pages (the joint price page names A31 only in the ZQ2 contents and its power window line prints no code), so the row is single-source; shared square-body platform code; cited from the Chevrolet Blazer kit

GM Heritage factory kit — 1983 Chevrolet Blazer, p.11.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6.
GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13.

Jimmy — second generation (1995–2001)

1998–2001 Factory-verified

GM factory document — 1998 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 1999 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2000 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2001 gmc jimmy 4wd rpo code list, p.1.

Jimmy — first generation (1983–1994)

1983, 1987–1988 Factory-verified

included with ZQ2; shared S/T platform code; cited from the joint S-10/15 Blazer/Jimmy pages of the S-10 Blazer kit

GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.9.
GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.46.
GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.11.

Safari — First generation (1985–1994)

1986–1988 Factory-verified

front side doors only; included with ZQ2; shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.

GM Heritage factory kit — 1986 Chevrolet Astro Van, p.16.
GM Heritage factory kit — 1987 Chevrolet Astro Van, p.29.
GM Heritage factory kit — 1988 Chevrolet Astro Van, p.10.

Safari — Second generation (1995–2005)

1998–2005 Factory-verified

GM factory document — 1998 gmc safari 2wd rpo code list, p.1.
GM factory document — 1999 gmc safari 2wd rpo code list, p.1.
GM factory document — 2000 gmc safari 2wd rpo code list, p.1.
GM factory document — 2001 gmc safari 2wd rpo code list, p.1.
GM factory document — 2002 gmc safari 2wd rpo code list, p.1.
GM factory document — 2003 gmc safari 2wd rpo code list, p.1.
GM factory document — 2004 gmc safari 2wd rpo code list, p.1.
GM factory document — 2005 gmc safari 2wd rpo code list, p.1.

Savana — GMT600 (1996–2002)

1998–2002 Factory-verified

GM factory document — 1998 gmc savana rpo code list, p.1.
GM factory document — 1999 gmc savana rpo code list, p.1.
GM factory document — 2000 gmc savana rpo code list, p.1.
GM factory document — 2001 gmc savana rpo code list, p.1.
GM factory document — 2002 gmc savana rpo code list, p.1.

Savana — GMT610 (2003–2027)

2003–2010, 2014–2018, 2022–2027 Factory-verified

the 2003–2006 lists read Window Power Operated, Side; the 2025–2027 guides read Windows, power; the 2015–2017 Upfitter lists add do not use on new or major programs; S: Cargo 1WT, Passenger 1LS, Passenger 1LT; O: Cutaway 1WT, Cutaway 2WT (2025–2026)

GM factory document — 2003 gmc savana rpo code list, p.1.
GM factory document — 2006 gmc savana rpo code list, p.1.
GM factory document — 2008 gmc savana rpo code list, p.1.
GM factory document — 2008 chevrolet ld electricalfullsizevans, p.15.
GM factory document — 2009 gmc savana rpo code list, p.1.
GM factory document — 2009 chevrolet ld electricalfullsizevans 100813, p.13.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.13.
GM factory document — 2014 chevrolet gh van elec bbm si brief, p.5.
GM factory document — 2015 chevrolet express savana electrical body builders manual service manual 2015 en us, p.9.
GM factory document — 2017 chevrolet express savana electrical body builders manual service manual 2017 en us, p.4.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.14.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.12.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.10.
GM factory document — 2025 gmc savana cargo fleet order guide, p.24.
GM factory document — 2025 gmc savana cutaway fleet order guide, p.30.
GM factory document — 2025 gmc savana passenger fleet order guide, p.19.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.10.
GM factory document — 2026 gmc savana cargo fleet order guide, p.26.
GM factory document — 2026 gmc savana cutaway fleet order guide, p.32.
GM factory document — 2026 gmc savana passenger fleet order guide, p.21.
GM factory document — 2027 gmc savana cargo fleet order guide, p.23.
GM factory document — 2027 gmc savana cutaway fleet order guide, p.16.
GM factory document — 2027 gmc savana passenger fleet order guide, p.19.

Sierra — GMT400 (1988–2000)

1998–2000 Factory-verified

GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c pickup 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

2001–2007 Factory-verified

GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2001–2007 Factory-verified

GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

the 2014 guides add driver express-down

GM factory document — 2007 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2008 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2014 gmc sierra 2500hd fleet order guide wayback, p.2.
GM factory document — 2014 gmc sierra 3500hd fleet order guide wayback, p.2.

Sierra HD — K2XX (2015–2019)

2015, 2018–2019 Factory-verified

2019 marks: Sierra: O; SLE, SLT: S; 2018: GM's 2018 Sierra 2500HD order guide

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.2.
GM factory document — 2019 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.6.

Sierra — K2XX (2014–2019)

2014, 2016–2019 Factory-verified

driver express up and down; the 2017 manual adds do not use on new or major programs.

GM factory document — 2014 gmc sierra 1500 fleet order guide wayback, p.2.
GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.2.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.12.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.87.
GM factory document — 2019 gmc sierra 1500 limited double cab k2xx order guide copy gm authority, p.39.

Sierra — Square body (1983–1991)

1984, 1987 Factory-verified

shared platform code; cited from the square-body C/K pickup kits; 1985 and 1986 are left out: those pickup pages name A31 only in the operating convenience package contents

GM Heritage factory kit — 1984 Chevrolet Truck, p.48.
GM Heritage factory kit — 1987 Chevrolet Truck, p.61.

Sonoma — first generation (1982–1993)

1984–1988 Factory-verified

included with ZQ2 (the operating convenience package); shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits

GM Heritage factory kit — 1984 Chevrolet S 10, p.21.
GM Heritage factory kit — 1985 Chevrolet S 10, p.27.
GM Heritage factory kit — 1986 Chevrolet S 10, p.18.
GM Heritage factory kit — 1987 Chevrolet S 10, p.26.
GM Heritage factory kit — 1988 Chevrolet S 10, p.36.

Sonoma — second generation (1994–2004)

1998–2004 Factory-verified

GM factory document — 1998 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 1999 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2000 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2001 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2002 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2003 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2004 gmc sonoma pickup 4wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 gmc gmc suburban 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc suburban 2wd rpo code list, p.1.

Suburban — Square body (1983–1991)

1983, 1984, 1986, 1987 Factory-verified

side door glass; included with ZQ2; the 1989 option weight table prints A31, but the 1989 option pages show power windows only inside ZQ2, so 1989 is left out; shared square-body platform code; cited from the Chevrolet Suburban kit

GM Heritage factory kit — 1983 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.21.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.23.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.28.

Vandura and Rally — Second generation G-series (1983–1996)

1983, 1984, 1986, 1988, 1989 Factory-verified

front side doors; 1984 from the February 1984 data book pages in the mislabelled G-Van kit file; shared G-van platform code; cited from the Chevrolet G-Van kit

GM Heritage factory kit — 1983 Chevrolet Vandura, p.18.
GM Heritage factory kit — 1985 Chevrolet G Van, p.21.
GM Heritage factory kit — 1986 Chevrolet G Van, p.27.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.24.
GM Heritage factory kit — 1989 Chevrolet G Van, p.34.

Yukon — GMT400 (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 gmc yukon 2wd rpo code list, p.1.
GM factory document — 1999 gmc yukon 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2001–2006 Factory-verified

GM factory document — 2001 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2002 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2003 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2004 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2005 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2006 gmc yukon 2wd rpo code list, p.1.

Yukon — GMT900 (2007–2014)

2007–2009 Factory-verified

GM factory document — 2007 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.

Yukon — K2XX (2015–2020)

2015–2018 Factory-verified

2015–2018: S on all trims; the lists read all doors; 2018 from GM's 2018 Yukon order guide

GM factory document — 2015 gmc yukon denali fleet order guide wayback, p.2.
GM factory document — 2016 gmc yukon denali fleet order guide wayback, p.2.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.12.
GM factory document — 2018 gmc yukon order guide copy gm authority, p.3.

Yukon XL — K2XX (2015–2020)

2015–2017 Factory-verified

S on all trims; the lists read all doors

GM factory document — 2015 gmc yukon xl denali fleet order guide wayback, p.2, p.5.
GM factory document — 2016 gmc yukon xl denali fleet order guide wayback, p.2, p.5.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.3.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.12.

This page aggregates every documented appearance of A31 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.