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This function is dedicated especially for making keys for the models of Audi A6/A7/A8 (2010+). Please note that the VW Touareg 2010 is not included. The procedure of making keys is a little bit complicated and goes in several steps.

Abrites Diagnostics for VAG

The procedure for calculation takes from 2 to 15 hours, so it is not necessary to wait the whole time online. Normally the software will remember till which step you proceeded last time, and if you start the software anew, it will allow to resume from where the procedure was interrupted. So when you press the “Next” button, if there are some cache data from previous BCM2 all keys lost attempts, the software will give the possibility to continue from where the procedure was stopped. This is dedicated to avoid the very long waiting period (15hours) until the calculation is finished.

Abrites Diagnostics for VAG

Here are some more details about the steps:

For that purpose is necessary first to read the TCU and ECU. The TCU and ECU is not possible to be read by OBDII, but is possible to read it when you connect the TCU and ECU on the table, or when you connect the AVDI to the internal CAN-BUS of the car.

To read from the internal CAN-Bus, find the orange/black and orange/brown CAN wires and make the following connection of the AVDI:

NOTE: These are the same wires used for transmission control unit (TCU) adaptation If the ECU is Simos (which cannot be read using a direct connection) it will be possible to program a key to car only if a dump from the ELV is available.

Abrites Diagnostics for VAG

So once you have connection to the line, you should try to make several times ignition ON and again OFF (during these attempts you need to eject the key). Continue to make ignition ON and OFF with the key which you prepared on step 2, until you see the message “ELV read OK”.

Then you can continue with the next step.

You can close the software, and then later to check if the calculation is ready. For that purpose you just need to select to use the last cached data.