Monday, August 31, 2026

Add 2025 Toyota Tacoma 8A BA Key with Lonsdor K518 Pro

Lonsdor K518 Pro FCV successfully added a spare 8A BA proximity smart key to 2025+ Toyota Tacoma.

Add key only, cannot do all keys lost on 2025+ Tacoma.
Reading immo data lets you emulate a key.

 

Example: Add key 2025 Toyota Tacoma 8A BA

 

Tools used:

Lonsdor K518 Pro/Pro FCV

Original key

New key to be programmed (LT20) or EoneBoss TLK1

Lonsdor FP30 30 pin cable

 

NOTE: This function requires 2025+ Toyota 8A/4A license activation.

 

Procedure:

Step 1: Back up immo data

Menu path: IMMO & Remote- Toyota- Select from type- PEPS- Type 11 (CAN 2025-)- 2025- (8A BA).

Select Back up immo data.

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Connect a FP30 30 pin cable to the smart box.

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Then read and save immo data.

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Step 2: Generate emulator key

Add smart key requires credits.  Lonsdor dropped to 24 credits. A customer found a new way to add key to this model without credits.

Go back to Toyota- Select from type- PEPS (Add key & AKL)- Type 3(2022-)- 8A- Generate emergency key (Pro Antenna).

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Load backed up immo data to generate an emergency key.
The function requires a network connection.
Connect the simu-antenna and place the antenna’s top in the card slot.

Generate emulator key successfully.

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Step 3: Add Smart Key

Connect Add Smart Key Function.
Switch ignition on
Load the read D-flash data of PEPS to get 12-digit pin code.

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The device shows the number of registered keys.

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Put the original key close to the start button.

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Put the new key or the Eoneboss TLK01 key to the start button.

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Registered /Program a new key successfully.

Eoneboss TLK-1 collects the data after it is programmed to the car, then transfers the data it collected and write it the unlock smart.

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