- 2025–2026 Factory-verified
touch-up paint WA-485B; extra cost; RS, ACTIV only; roof option J35 on RS, J3B on ACTIV
GP5 Factory-verified
Also documented for Buick
Documented applications
This page aggregates every documented appearance of GP5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.