- 2016–2017 Factory-verified
SLE-2: O (with PDC); SLT: O (with PCJ); Denali: O
UHQ Factory-verified
Also documented for BuickChevrolet
Documented applications
This page aggregates every documented appearance of UHQ in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.