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Magneti Marelli 4LV — supported tools

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Magneti Marelli 4LV engine control unit. Confirmed tool compatibility: Alientech KESS3. Modes confirmed for the corresponding protocols: OBD. Application scope, functions and requirements are specified in the support records.

Last changed: 2026-10-31 · Card revision 1

Compatibility depends on ECU HW/SW, protocol and active licence. A tool missing from this list does not imply lack of support.

Tool
Connection
Operations
Scope and notes
Alientech KESS3
OBD
  • Read (type unspecified)
  • Write

Marelli IAW 4LV; Audi, Seat, Skoda, Volkswagen:; KESS3 2.78

Functions confirmed in KESS3 update 2.78. Requires activation for the corresponding vehicle category and mode; match the variant in Alientech Suite.

Pinout Bench

No Bench pinout has been added.

Pinout Boot

No Boot pinout has been added.

Update history
  • Revision 1 · 2026-10-31