- 2016 Factory-verified
1LT: O; 2LT: required; includes BTV, DD8, KI6, UDD, IO5, K4C, USS, N34 and VY7; GM's 2016 Malibu order guide
WPJ Factory-verified
Documented applications
This page aggregates every documented appearance of WPJ in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.