- 2013 Confirmed
dropped for 2014 (GM Authority 2014 changes page); GM Authority's 2014 changes page, headed "Official Changes", credits GM for the codes
Also described as Cyber Gray MetallicPaint, Taupe Gray Metallic
Documented applications
- 2015–2017 Factory-verified
touch-up WA-637R; not on Base
- 2014 Confirmed
touch-up WA-637R; GM 2014 order guide (CAC and GM Authority copies)
- 2013 Confirmed
deleted for 2014 (GM Authority 2014 RPO changes, which it calls GM's official change list)
- 2015–2017 Factory-verified
touch-up 637R
- 2013 Confirmed
deleted for 2014 (GM's 2014 RPO change list, GM Authority), which places it in 2013
- 2013 Confirmed
dropped for 2014 (GM Authority 2014 changes article, which calls its list the official RPO-level changes)
- 2016 Factory-verified
the guide marks it new, as GM Authority's 2016 changes article does
This page aggregates every documented appearance of GBV in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.