Question: Suzuki Swift 2026 keylessgo smart key. Tried programming a spare smart key with 10 programmers, from Xhorse to Zedfull. Cannot get in. Tried every programmer but nothing would communicate.
Which program to program key for this model?
Here is the clue.
If the 2024+ Suzuki system is ID 4A, then no standard programmer can handle it, the BCM is locked. Neither for adding a key nor in an all-keys-lost situation.
You need to replace the BCM.
If it is ID49 chip type, read D flash data from the BCM and generate dealer key, then add new key.
Autel IM508/IM608 will read the Suzuki Renesas BCM.
Menu path 1:
Go System Selection- Manual selection- Immobilizer/Keyless System (BS6)-Read Dflash data via dump.
You can read BCM data with or without APB131 adapter.
Here choose without APB131 adapter.
Autel will show you the wiring diagram.
Solder wires on the BCM module.
Then read and save Dflash.
Menu path 2:
If it fails to read BCM Dflash via menu path 1, try menu path 2:
Go to Programmer- Chip/EEPROM/ECU/MCU -Chip Reading/Writing-MCU-Renesas- R7F70XXXX-R7F701597.
Check wiring diagram.
Read ID
Read and save Dflash.
Read and save C-flash.
Then upload BCM data to generate key and learn key.
Optional solution 2:
If it is an add-key job, disassemble original key shell, if the key board is NXP chip, you can clone a spare smart key using NXP key copy devices.
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