- 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
RW6 Factory-verified
Also described as LPO, bed storage box, metal
Also documented for Chevrolet
Documented applications
- 2015 Factory-verified
dealer-installed; Sierra, SLE, SLT: O
- 2014, 2017 Factory-verified
This page aggregates every documented appearance of RW6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.