Hidden Diagnostic Menu

GP486

Member
Jul 5, 2025
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Lebanon
Vehicles
LC250
So it turns out the LC250 has a diagnostic menu that you can access on the navigation screen. So far the only way I was able to trigger it is by using a GTS+.

I’ve seen this menu on other Lexus and Toyota models, usually there’s a key combo that can trigger it, but I couldn't figure out the combo on the LC250..

Once opened, you can navigate through several menus to check the values of various sensors and access some hidden toggles.

I’m posting few screenshots below maybe someone finds it interesting..

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Can one turn off all the stupid animations for switching from eco to sport or for others like that? What about all the warning messages when the vehicle is in low range?
 
I had trouble getting it to work initially because I had only turned on the ignition. It worked properly after I started it up.
 
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