- 2025–2027 Factory-verified
2025–2027: A in LT 2 (included with and only available with 6K5); not offered in LT 1, RS
RW4 Factory-verified
Documented applications
This page aggregates every documented appearance of RW4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.