LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 2007 >> Jetta Sedan (1K2) L5-2.5L (BGP) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Locations >> Engine Control Module (ECM)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module (ECM)






Control modules in engine compartment

Engine Control Module (ECM)




Component Location:







Below center plenum chamber => -Arrow-





Overview of Connectors, through June 2008:







A - Engine Control Module (ECM) -J623-
Connector (Engine Control Module (ECM) -J623-):

B - 81-Pin Connector, in wiring harness (T121)

C - 40-Pin Connector, in wiring harness (T121)




Overview of Connectors, from July 2008:







A - Engine Control Module (ECM) -J623-
Connector:

B - 94-Pin Connector, in wiring harness (T94)

C - 60-Pin Connector, in wiring harness (T60)


scientia non olet · About LEMON Manuals