Thursday, 4 December 2025

EONEBOSS TLK1 User Manual: Unlock Toyota/ Lexus 8A-AA Keys

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.


How to Use EONEBOSS TLK1 for Toyota Lexus Key Unlock

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.


How to Use EONEBOSS TLK1 for Toyota Lexus Key Unlock
How to Use EONEBOSS TLK1 for Toyota Lexus Key Unlock

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 TLK1 for Toyota Lexus Key Unlock

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.


How to Use EONEBOSS TLK1 for Toyota Lexus Key Unlock

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

http://blog.obdexpress.co.uk/2025/10/14/eoneboss-tlk-1-key-tool-reuse-toyota-lexus-keys-easily/

www.obdexpress.co.uk

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