As titled, here’s the test on re-adapting key on Audi A7 Keyless Go using Xhorse VVDI2 VAG key programmer.
Insert working key into VVDI2
Open VVDI2 VAG software
Select Key Learn->5th Immobilizer system->Check key status
The current key has keyless. The key is locked.
Insert another key into VVDI2 key programmer, check key status again
The current key does not have keyless. The key is not locked.
Turn ignition switch to ON position
Read BCM2 Data (OBDII)
Insert working key into ignition and switch on before continue.
If working key is already in car, take out and insert in again (switch START/STOP button as well)
If lost all working key, open the headlight, and step on the brake before continue.
Connect VVDI2 with car,prepare all the key for this car. Insert one key into switch ignition, input the key number you want to learn, Then press “Key Learning”, it requests load the BCM2 data read in step 1.
Insert every key into ignition in turn. Once a key is learned successful, X/Y in the dashboard, X will be added 1.
If only have ignition coil, please stop and start the START/STOP button after X added 1.
Insert working key into ignition or nearby ignition coil and switch on before continue.
If lost all working key, insert dealer key into ignition. Open the headlight, and step on the brake before continue
Start learning key
VVDI2 re-adapt Audi A7 keyless go success.