October 10, 2025

Lonsdor K518 Pro 2022 Lexus RX350 AKL Error No Valid Data Solution

Problem:

It is a 2022 Lexus RX350. All smart keys have lost.Lonsdor K518 Probacked up immo data successfully viaADP15 adapter. But failed to generate the emulator key.

Device says "No valid key data found or PEPS is brand new” when generating emulator.

 

Lonsdor K518 Pro Failed to Program 2022 Lexus RX350 All Keys Lost 1

Lonsdor K518 Pro Failed to Program 2022 Lexus RX350 All Keys Lost 2

Lonsdor K518 Pro Failed to Program 2022 Lexus RX350 All Keys Lost 3

Lonsdor K518 Pro Failed to Program 2022 Lexus RX350 All Keys Lost 4

 

Possible reason and solution:

Someone reset the smart box.

You can back up immo data via ADP adapter, but the immo data does not contain key data. It’s like new.

In this case, Lonsdor is not be able to program key anymore.

The user needs to find someone to write the data to the smart box, or replace the Smart box with one that already has data, to proceed the key programming.

Posted by: jean at 06:31 AM | No Comments | Add Comment
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