- 2023–2027 Factory-verified
2025: AT4, Denali: S; Elevation: not offered; 2026–2027: AT4, AT4X, Denali: S; Elevation: not offered; the 2024 guide adds electronic Autotrac with push button control and a transfer case shield; the 2026 upfitter list reads active, switch activated, aluminum
Also described as Transfer case, two speedTransfer case, two speed, electronic Autotrac, push button controlTransfer case, active, 2 speed, push button control, aluminumTransfer case, two speed, active, electronic Autotrac with push button controlTransfer case, electronic AutotracTransfer case, two speed, activeTransfer case, active, 2 speed, Autotrac, with neutral for flat towing
Also documented for CadillacChevrolet
Documented applications
- 2027 Factory-verified
Pro: O; AT4, Elevation, AT4X, Denali, Denali Ultimate: included in the trim group; 4WD models only
- 2009 Factory-verified
- 2025–2027 Factory-verified
requires 4WD; Pro, SLE: O; SLT, AT4, AT4X, Denali, Denali Ultimate: included in the trim group
- 2014, 2016–2019 Factory-verified
only in: 4WD; rotary dial control; the 2016 guide adds 2 speed with a neutral position for dinghy towing.
- 2019–2020, 2022–2026 Factory-verified
switch-activated, aluminum
- 2009 Factory-verified
- 2015–2019 Factory-verified
only in: 4WD; Denali: S; SLE, SLT: with NHT; the lists add switch activated, aluminum; 2019 from the Graphite Performance Edition (YF0) contents; 2018 from GM's 2018 Yukon order guide
- 2022–2023, 2025–2027 Factory-verified
2027: AT4, AT4 Ultimate, Denali Ultimate: S; Elevation, Denali: O
- 2015–2017 Factory-verified
only in: 4WD; SLE, SLT: A, included with NHT; the lists add switch activated, aluminum
- 2022–2023, 2025–2027 Factory-verified
2027: AT4, AT4 Ultimate, Denali Ultimate: S; Elevation, Denali: O
This page aggregates every documented appearance of NQH in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.