Staff Answer
Jun 08, 2026 - 04:32 PM
Yes, the EONEBoss TLK3 supports 4A smart keys, with one-click unlock available for the following 4A chip variants: 4A AA and 4A BA.
For full context, here are all the chip types the TLK3 supports for one-click unlocking:
- 4D: 94, D4, 98, 9F, 78, F1
- 8A: 39, 88, A8, A9, AA, B8, B9, BA, F3, F4
- 4A: AA, BA
In addition to chip identification and unlocking, the TLK3 can:
- Read data directly from an original key to auto-detect vehicle brand, chip type, and frequency sequence
- Capture signals from the vehicle's ignition coil for All Keys Lost (AKL) scenarios
- Reset locked aftermarket keys to a virgin state for OBD programming
