- 2022 Single-source
touch-up WA-624G; new for 2022; not on LS; GM Authority 2022 color article; GM Authority 2023 color article lists it as dropped for 2023
GHZ Single-source
Documented applications
This page aggregates every documented appearance of GHZ in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.