- 2015–2017, 2019, 2021–2022 Factory-verified
2015–2016: SLT: S; SL, Canyon, SLE: not offered; 2021: Denali: S; Elevation Standard, Elevation, AT4: not offered
DL9 Factory-verified
Also described as Mirrors, outside heated power-adjustable, chrome, manual-folding
Also documented for Chevrolet
Documented applications
- 2016–2017 Factory-verified
SLE-2: O; 2016: only with PCX; 2017: only with PDU
This page aggregates every documented appearance of DL9 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.