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Relays and Modules - Emission Control Systems > < Replacement of ECM & Control Module For Immobilizer Adaptation|Page 2143
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The VAG 1551 display will show the control module identification

021 906 259B MOTRONIC M5.9 AT V0 1

->

Coding 00001

WSC xxxxx

-

Press -> button.

Indicated on display

Rapid data transfer 

HELP

Select function XX

-

Press buttons -0- and -6- to select "End output" and confirm input with -Q- button.

Relays and Modules - Emission Control Systems > < Replacement of ECM & Control Module For Immobilizer Adaptation|Page 2143