SVCI 2020 Do Immo off on VAG EDC16U31 ECU

FVDI 2020 (SVCI 2020) has VAG V21.0/V38.1 software activated with specifial functions. Here we test it on VAG EDC16U31 ECU Immo off together with the Godiag GT100 breakout box.




Follow wiring diagram to connect SVCI, GT100 and ECU

Keep voltage 12v+
Run SVCI software– VAG software- V21.0

Select Engine Control Unit


Identify controol unit infomarion
First read and clear DTC, then reset
Go to Special Functions- Engine Control Unit- EDC16U31 – Read data



Read data succes


press IMMO Off

Turn ignition OFF within 3 sec
Turn on ignition
Turn ignition OFF
Turn on ignition

Immo changed
Turn ignition OFF
Turn on ignition

Immo status has been changed.

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