Engine Control Module: Diagrams

ENGINE CONTROL MODULE CONNECTORS

Connector X1
(With RPO L20, L76, L9H, LC9, LH6, LY2, LY5 or LMG)






















Connector X1
(With RPO L96 or LY6)



















Connector X2
(With RPO L96, L9H with Y91, LY2, or LY6)

























Connector X2
(With RPO LMG, LC9, LY5, LH6, L76, or L9H without Y91)




























RPO Codes
VIN A - RPO L20, Engine Gas, 8 Cylinder, 4.8L SFI, E85 MAX, Iron, GM
VIN Y - RPO L76, Engine Gas, 8 Cylinder, 6.0L, SFI Aluminum, Cylinder Deactivation, GM
VIN G - RPO L96, Engine Gas, 8 Cylinder, 6.0L, SFI, Iron, GM
VIN 2 - RPO L9H, Engine Gas, 8 Cylinder, 6.2L, SFI, E85 MAX, Aluminum, GM
VIN 3 - RPO LC9, Engine Flexible Fuel, Gas/Alcohol, 8 Cylinder, 5.3L SFI, Aluminum, Cylinder Deactivation, GM
VIN M - RPO LH6, Engine Gas, 8 Cylinder, 5.3L, SFI Aluminum, Cylinder Deactivation, HO, GM
VIN 0 - RPO LMG, Engine Flexible Fuel, Gas/Alcohol, 8 Cylinder, 5.3L, SFI, V8, OHV, Cylinder Deactivation, Iron, GM
VIN C - RPO LY2, Engine Gas, 8 Cylinder, 4.8L, SFI, Iron, GM
VIN J - RPO LY5, Engine Gas, 8 Cylinder, 5.3L, SFI, Iron, GM
VIN K - RPO LY6, Engine Gas, 8 Cylinder, 6.0L, SFI, Iron, GM
RPO Y91 Merchandised Package Luxury Edition