The EONEBOSS TLK1 is a professional key unlocking tool and one of the essential Key Programming Tools designed for Toyota and Lexus vehicles using 8A-AA, BA, B9, and B8 type keys. This guide explains how to easily restore and reprogram locked or deleted keys.
Key Features
- Simulate & Restore Keys: Reads, matches, and writes back key data.
- Voice & Light Guidance: Real-time status updates via voice and LED indicators.
- Flexible Power Options: Works with battery (3.7V, 450mAh) or external power (5V/500mA).
- Wide Compatibility: Use with phone chargers, power banks, computer USB and 5V adapters.
LED Status Guide
Solid Green: Connected and charging.
Solid Red: Voice broadcast mode with real-time status updates.
Flashing: Core operation in progress (read/match/write).
Button Controls
Power On/Off: Long press (~3 seconds).
Check Status: Short press for voice update.
Reset Device: Long press (~5 seconds).
How to Use EONEBOSS TLK 1?
Step 1: Simulate the Key
Place the locked or deleted key in the TLK1 sensing area. Press the button. The device will read the key ID and simulate a matching key.
Step 2: Match to Your Vehicle
Use the TLK1 as a temporary key during the vehicle matching process. It will write the key ID and security data into your car’s system.
Step 3: Write Back to Original Key
Once the data is retrieved, the TLK1 writes the complete key information back to the original key, restoring its function.
Step 4: Final Check
Test the original key to confirm it starts the vehicle and all functions work.
Summary
With the EONEBOSS TLK1, restoring Toyota/Lexus 8A-AA, BA, B9, and B8 keys is fast and user-friendly. Follow these simple steps to reactivate locked keys and avoid costly replacements.
Read also
EONEBOSS TLK 1 Key Tool: Reuse Toyota/Lexus Keys Easily

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