- 2014–2016 Factory-verified
equipment group SLE-2 in the guides.
Also described as Package, SLE option 2Trim group, SLE-2Trim group, Elevation, standard rangeTrim group, ElevationTrim group, SLE option 2Equipment group, SLE-2Equipment group 3SB, SLE Diesel
Documented applications
- 2017–2019 Factory-verified
GM Authority's 2020 changes page deletes the SLE-2 for 2020 (its 2020 first-look color articles still list 3SB under SLE, so 2020 is left out)
- 2026–2027 Factory-verified
Elevation; page 1 trim headings and the color and trim page show it
- 2027 Factory-verified
Crew Cab and Double Cab; Double Cab models and Crew Cab Standard Box models are late availability
- 2019–2020, 2022–2026 Factory-verified
the 2025 and 2026 guides head this column Elevation
- 2016–2017 Factory-verified
models TLH26 (FWD) and TLK26 (AWD)
- 2019 Factory-verified
FWD and AWD models (TXL26, TXB26); LH7 diesel; dropped for 2020 (GM Authority 2020 changes page)
- 2025–2027 Factory-verified
Elevation AWD: S; GM fleet model TPB26; shown in the trim headings of the guides; NICB prints the series as Elevation AWD (2025 and 2026, VIN positions 5 and 6 LU)
This page aggregates every documented appearance of 3SB in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.