- 2015–2017, 2019, 2021–2022 Factory-verified
2015–2016: Canyon, SLE, SLT: O; SL: not offered; 2021 from the upfitter list GM files for 2021 and 2022
SL7 Factory-verified
Also described as LPO, ladder and utility rack stanchionsLPO, Elevate telescoping rack by AdvantageLPO, utility rack by Advantage, dealer-installed
Also documented for Chevrolet
Documented applications
- 2025–2026 Factory-verified
- 2027 Factory-verified
- 2019–2020, 2022–2025 Factory-verified
This page aggregates every documented appearance of SL7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.