Operation CHARM: Car repair manuals for everyone.

Engine Control Module



Component Connector End Views

Engine Control Module (ECM) X1 (4.3L)














Engine Control Module (ECM) X1 (Diesel)














Engine Control Module (ECM) X1 (Gas Except 4.3L/LY6/HP2)














Engine Control Module (ECM) X1 (HP2)










Engine Control Module (ECM) X1 (LY6)














Engine Control Module (ECM) X2 (4.3L)














Engine Control Module (ECM) X2 (4.8L/LY6 or 6.2L with Y91)













Engine Control Module (ECM) X2 (5.3L/L76 or 6.2L Except Y91)














Engine Control Module (ECM) X2 (Diesel)










Engine Control Module (ECM) X2 (HP2)














Engine Control Module (ECM) X3 (HP2)