- 2026–2027 Factory-verified
not available with WH9 or PCW
WH6 Factory-verified
Also described as LPO, cargo net, horizontalLPO, Cargo net, horizontal
Also documented for BuickCadillacChevrolet
Documented applications
- 2019 Factory-verified
SLE, SLE Diesel, SLT, SLT Diesel, Denali: O
- 2025–2027 Factory-verified
O on all trims; not available with W2D or VLI (2027 also PDH, PDK, CAV)
This page aggregates every documented appearance of WH6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.