- 2014–2016 Factory-verified
2014–2015: 1LT, 2LT: O (in RT9); 1LZ, 2LZ: S; 2016: 1LT: O (in HCR); 2LT: O (in RT9); 2LZ: S
Q2B Factory-verified
Also documented for BuickCadillac
Documented applications
This page aggregates every documented appearance of Q2B in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.