Operation CHARM: Car repair manuals for everyone.

Component Locations of Individual Control Units






Component locations of individual control units

Engine compartment







1 - Heated Windshield Control Module - J505
• In plenum chamber, right, next to battery






2 - Motronic Engine Control Module (ECM) - J220
• In electronics box, plenum chamber






3 - ABS Control Module (w/EDL) - J104
• In engine compartment, on hydraulic unit, front left






4 - Transmission Control Module (TCM) (multitronic 01J) - J217
• In gearbox






5 - Coolant FC (Fan Control) Control Module - J293
• On front end, at radiator fan