Engine Control Module: Diagrams

K20 Engine Control Module X1 (L99 or LS3)










K20 Engine Control Module X2 (L99 or LS3)

RPO L99 - Engine VIN J, Gas 8 Cylinder, 6.2L, SFI, Aluminum, GM
RPO LS3 - Engine VIN W, Gas 8 Cylinder, 6.2L, SFI, Aluminum, HO, GM