Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Engine Control Module

Component Connector End Views

Engine Control Module (ECM) X1 (5.3L/6.0L)

Engine Control Module (ECM) X1 (5.3L/6.0L) (Pin 1 To 33):

Engine Control Module (ECM) X1 (5.3L/6.0L) (Pin 34 To 56):

Engine Control Module (ECM) X2 (5.3L/6.0L)

Engine Control Module (ECM) X2 (5.3L/6.0L) (Pin 1 To 54):

Engine Control Module (ECM) X2 (5.3L/6.0L) (Pin 55 To 73):

Engine Control Module (ECM) C3

Engine Control Module (ECM) C3 (Pin 1 To 38):

Engine Control Module (ECM) C3 (Pin 39 To 73):