2016 A6 lost keys info...

[gttuning]

Hi guys have A6 2016 manual gearbox...with lost keys..
So once car landed worked out there is brand new key in the car..
We suspect that this is new key from dealer..but not sure..
I tryed to program this key by obd ..
It reads bcm2 but fails on security..
I read bcm with abprog and try to program it by loading bcm data to avdi...
I try to make dealer key but it says key used cant be over write..
So conect by obd...load bcm file..
This will active key coding as i can see L0/1 but i cant learn the key..?
Is this the way to do it them A6 ?
Thanks



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[qeso705]

When you see L0/1 then your dealer key isnt dealer key. Use third party service to provide sync file and precode key or order next by dealer. Are you 100% sure that you read content of 2016 bcm2 with programmer?

[p1et]

Are you 100% sure that you read content of 2016 bcm2 with programmer?

In A6 / A7 BCM2 is not locked which is interesting because they are class higher than A4 / A5 ...

[qeso705]

In A6 / A7 BCM2 is not locked which is interesting because they are class higher than A4 / A5 ...

Are you 100% sure? A8 are locked in this year.

[p1et]

Are you 100% sure? A8 are locked in this year.

Programmed by myself couple of 2016 A6 C7 via OBD. Also you can find here other threads where people read BCM2 2015-> from these cars on table.

[gttuning]

When you see L0/1 then your dealer key isnt dealer key. Use third party service to provide sync file and precode key or order next by dealer. Are you 100% sure that you read content of 2016 bcm2 with programmer?

Yes for sure..
I use abrites abprog to read bcm2..
I can see vin and cs data once it finish reading..
We dont know where the key come from that was with the car..
So i think that key was made as dealer key for a diffrent car or someone precoded wrong..
I wosent sure if this is the way to do it on A6 2015.. akl
We get new key and try again..
Thanks guys

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[qeso705]

To be clear for a6/a7/a8 and touareg you need 48byte for key precode, 16 from Bcm2 are not sufficient.

[ASCM]

To be clear for a6/a7/a8 and touareg you need 48byte for key precode, 16 from Bcm2 are not sufficient.

Where can we extract those bytes to make a good prepare for smart key?

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[ASCM]

Programmed by myself couple of 2016 A6 C7 via OBD. Also you can find here other threads where people read BCM2 2015-> from these cars on table.

Which tool u used to programm those smart keys from obd?and which steps u used to make that without issue?

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[gttuning]

To be clear for a6/a7/a8 and touareg you need 48byte for key precode, 16 from Bcm2 are not sufficient.

Where from then you get 48byte?

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[ghitab]

gttuning , post bcm data you read by avdi. What ecu have and also car has elv installed?

[qeso705]

Where from then you get 48byte?

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From third party payable services which will get it from vag database mostlikely.