When we cannot read immo data from OBD using OBD device, we cannot continue making new keys.
With VAG OBD Helper cable, you can obtain immo data easily via OBD, especially VAG 4th immobilizer system (NEC24C32 NEC24C64, NEC35XX, Johnson MQB A4, A5 etc BCM), both add key and all keys lost.
Here’s the guide to program new dealer key using VAG OBD cable and Xhorse VVDI2. (The cable can be used with other programmers, Lonsdor, SMOK etc as well)
Step 1: Connect VAG OBD cable with vehicle via OBD
Here’s the test equipment, so we disassemble the instrument.
Step 2: Read immo data and engine system information
Open VAG OBD Helper software
Press Read car information
Step 3: Online calculate immo data
Enable network connection and upload data to calculate.
Step 4: Immo data calculated successfully Save the immo data calculated. The data can be uploaded to other OBD programmers
You can prepare new dealer key and learn key with this immo data in other OBD device.
Press OK will auto open immo data folder
Here we use VVDI2 vag programmer select VVDI_NEC24C64_IMMO data