Transfer case, active, 2 speed, push button control, aluminum

Years 2009, 2014–20, 2022–27 Models 13 Factory citations 50

Also described as Transfer case, two speedTransfer case, two speed, electronic AutotracTransfer case, two speed, activeTransfer case, electronic AutotracTransfer case, active, 2 speed, Autotrac, with neutral for flat towingTransfer case, active, two-speed, with neutral position for dinghy towing

Also documented for Cadillac GMC

Documented applications

Avalanche — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.

Colorado — Third generation (2023–2027)

2023–2027 Factory-verified

Trail Boss, Z71, ZR2: S; WT, LT: not offered

GM factory document — 2023 chevrolet 23colorado electrical body builder, p.12.
GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.13.
GM factory document — 2025 chevrolet colorado fleet order guide, p.50.
GM factory document — 2026 chevrolet colorado fleet order guide, p.57.
GM factory document — 2027 chevrolet colorado fleet order guide, p.55.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

only in: 4WD

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.36.

Silverado — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.

Silverado HD (T1XX, 2020–2027)

2023, 2025–2027 Factory-verified

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

GM factory document — 2023 chevrolet 23silverado 2500 3500hd electrical body builder sm en us 2022oct12, p.12.
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.

Silverado — K2XX (2014–2019)

2015, 2017 Factory-verified

GM factory document — 2015 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.25.

Silverado — T1XX (2019–2026)

2019, 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.12.
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.15.
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.
GM factory document — 2019 chevrolet silverado 1500 all new order guide copy gm authority, p.12.

Suburban — GMT900 (2007–2014)

2009, 2014 Factory-verified

GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet suburban fleet order guide wayback, p.4.

Suburban — K2XX (2015–2020)

2015–2019 Factory-verified

only in: 4WD; A on all trims; included with NHT and Z71; the lists add switch activated, aluminum; 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.4.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.11.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.25.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.31.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.32.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: Z71: S; LS, LT, RST, Premier, High Country: O

GM factory document — 2025 chevrolet new suburban fleet order guide, p.12.
GM factory document — 2026 chevrolet suburban fleet order guide, p.12.
GM factory document — 2027 chevrolet suburban fleet order guide, p.12.
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.8.

Tahoe — GMT900 (2007–2014)

2009, 2014 Factory-verified

The 2014 Special Service guide words it as active 2 speed electronic Autotrac transfer case with rotary controls and a neutral position for dinghy towing. Trim marks in the 2014 guides: Special Service: S.

GM factory document — 2009 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet tahoe special service vehicle fleet order guide wayback, p.4.

Tahoe — K2XX (2015–2020)

2015–2019 Factory-verified

only in: 4WD; A on all trims; included with NHT and Z71; the lists add switch activated, aluminum; 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.5.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.11.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.25.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.32.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.33.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: Z71: S; LS, LT, RST, Premier, High Country: O

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.13.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.14.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.14.
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.8.

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