Function: Add key and all keys lost. All keys lost require sync data.
Wiring diagram on the Launch X431 tablet: a Note: Some clusters require removing some components (resistors) or cutting wire.
Launch X431 X-PROG3 comes with an integrated MQB2 calculator. Under the 'All Keys Lost' function, there is an option to 'Obtain Sync Data'. With this built-in MQB2 calculator, you can retrieve the sync data for free. You will need to collect the Component Security (CS) codes from each module: the instrument cluster, ECU, gearbox (if automatic), and Kessy (if keyless).
Instrument panel CS code: 16 bytes
ECU CS code: 16 bytes
TCU CS code: 16 bytes
ELV CS code: 16 bytes (if present)
Once you have gathered these, you will be able to obtain the sync data at no cost.