Smart: Teach-in key again
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For Smart models ICC can calculate a request code (TAN) for teach-in a key procedure with DAS. This function is required in order to re-sync of keys.
In cases when synchronization of SAM unit was lost and key teaching procedure does not help to start vehicle ICC can calculate special TAN code by VIN for synchronization of SAM. This procedure called in DAS - "Carry out control unit assignment".
To calculate a TAN code - enter 9 chars outcode from DAS and click "Calculate" button. In few seconds ICC will show 12 chars TAN for DAS. Enter it as shown on picture.
DAS program a key screen:
request code on picture is 68H-VM7-K3Q
Note: You need to re-sync all of your keys otherwise you will not start car with old key(s).