Marelli IAW4HV Immo Off: VAG (VW, Audi, Skoda, Seat)

Manufacturer: VAG (VW, Audi, Skoda, Seat)

Brand: Marelli

Model: IAW4HV.xx

Function: Immo off

Emulator: No

Immo off for Magneti Marelli IAW4HV.xx ECUs – VW, Audi, Skoda, Seat

This immo solution is specifically designed for Magneti Marelli IAW4HV.xx ECUs, commonly used in petrol-powered VW Group vehicles, including models from Seat, Skoda, and Volkswagen. It provides a proven method for disabling the immobilizer function—ideal for ECU replacement, key loss scenarios, or workshop diagnostics—without the need for additional emulators or modules.

Vehicle Compatibility: IAW4HV.xx ECU models

Below is a selection of vehicle models equipped with the Magneti Marelli IAW4HV.xx ECU. These models span various brands within the VW Group and commonly feature small-displacement petrol engines, making this ECU variant widely used across compact and mid-size vehicles.

Seat:

  • Ibiza (6L1/6J) – 1.2 5MT, 1.2 5MT (54 hp), 1.4 5MT, 1.4 4AT
  • Cordoba (6L2) – 1.4 5MT
  • Altea (5P1/5P5) – 1.4 5MT
  • Leon (1P1) – 1.4 5MT
  • Toledo (5P2) – 1.4 5MT

Skoda:

  • Fabia (5J2/5J5) – 1.4 5MT
  • Roomster (5J) – 1.4 MPI 5MT
  • Praktik (5J) – 1.4 MPI 5MT
  • Octavia (1Z3/1Z5)

Volkswagen:

  • Golf 5 – 1.4 5MT
  • Golf 6 – 1.4 5MT
  • Golf Plus (521) – 1.4 5MT

Marelli IAW 4HV Immo off step by step with CK Decode

When you need an immo off, the best choice is to rely on an immo off service online like CK Decode.

CK Decode offers you a simple and intuitive graphics, for a reliable immo off follow these steps:

  • Download CKDecode through this link
  • Click on the Functions Tab and select VAG (VW, Audi, Skoda, Seat) – MARELLI – IAW4HV.xx – Immo off
  • Read EEPROM with your interface and upload the file
  • Click Process button
  • Write the file processed by CKDecode

Some supported models:

  • IAW 4HV.AB
  • IAW 4HV.AD
  • IAW 4HV.AF
  • IAW 4HV.AM
  • IAW 4HV.BJ
  • IAW 4HV.CK
  • IAW 4HV.CN
  • IAW 4HV.F
  • IAW 4HV.H
  • IAW 4HV.K
  • IAW 4HV.R