This article will share a tutorial for key programming on the 2013 Audi A4. In the fifth step, all keys lost through OBD are divided into 3 steps.
First, go to read BCM data via OBDII.
Connect Key Tool Plus to the vehicle via main cable
Select Immo Programming-> Europe-> Audi-> Select by type
There are 8 options included.
--4th immo system- Audi
--Fifth immobilizer system
--5th immo system- A6/A7/A8/All keys lost for Touareg
--Key Learn
--OBD clone ID48
--Engine Control Unit
--KM repair
--MQB instrument immo system
Select “Fifth immobilizer system” and tap “Start programming”
Then select “Read BCM data”-> “Read by OBDII” -> “Read BCM2 data (OBDII)”
Follow the on- screen instruction to do:
Open the headlight and step on the brake before continue
Detect out the key info as below
Disconnect BCM module from power for 2-3 seconds and reconnect again
When read data successfully and save it with a new filename.
Then, go to make dealer key with the BCM2 data.
Select “Make dealer key”-> choose method “A4L, A5, Q5 add key or lost all key- Don’t need working key”
Follow the prompt to load BCM2 data read in step 1
When the data file has been loaded successfully, put a key into VVDI Key Tool Plus Pad to write data and wait for the process is done.
Finally, go to learn a new key by loading BCM2 data has been read.
Select “Key Learn”-> input the number of keys to be learned
Then load 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
Once the key is learned successfully, 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.
Note: After the key learning process is completed, press button OKAY.
Done!
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