- 2007–2009 Factory-verified
QXN Factory-verified
Also described as Tires, P265/65R18 on-/off-road, blackwall
Also documented for CadillacGMCHummer
Documented applications
- 2009 Factory-verified
- 2015 Factory-verified
GM Authority's 2017 RPO-level changes list QXN among the 2017 Silverado 1500 deletions and the 2018 fleet guide omits it, so 2017 is not claimed although the shared 2017 manual (p.27) still prints it.
- 2007–2009 Factory-verified
- 2007–2009 Factory-verified
This page aggregates every documented appearance of QXN in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.