Xhorse VVDI Key Tool Plus Pad provides users with IMMO programming for VW& AUDI 3rd/4th/5th generation, MQB and MED17/EDC17. Here will share a very detailed tutorial of using KeyTool Plus to program 2011 AUDI A4 all keys lost via OBD.
Connect VVDI Key Tool Plus to the OBD port of the vehicle via the OBD cable
Go to Immo Programming-> Audi-> Select by type-> Fifth Immobilizer System
Step 1: Read BCM data
Select Read by OBDII-> Read BCM2 Data (OBD II)
Read the on-screen instruction, and follow it to open the headlight, and step on the brake before continue.
Read out the key info
The total key number is 3 and the current key is not authenticated/ locked/ learned
Disconnect BCM module from power for 2-3 seconds and reconnect again
After reading data successfully, save the data file
Step 2: Make dealer key
Select “A4L, A5, Q6 add key or lost all key- Don’t need working key”
Then load the BCM2 data read in step 1
Put a key into the coil of Key Tool Plus Pad
Start to read key… reprogram key info… write data…
Make key successfully
Step 3: Learn key
Input the number of keys to be learned
Load the BCM2 data read in step 1 again
Insert the dealer key into ignition (or nearby ignition coil), open the headlight, and step on the brake before continue
Start to transfer/receive data…
The key is to learn successfully.