2003 Land Cruiser- Three tone alarm with no horn alert

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Joined
Jan 14, 2026
Threads
1
Messages
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Location
Denver Colorado
Hi All!

New member and first post.

I bought my '03 Land Cruiser in February 2025 and love it! She has 148K miles and is in very good shape interior and out. I have been bringing her up to snuff replacing fluids, wear parts, timing belt, heater T's and chasing a EVAP leak that I finally got sorted. I love driving this thing every day.

My Issue:
I am experiencing a intermittent three tone (not a beep or buzz) alert that I cannot track down. It sounds like a siren, is not loud and sounds like it is coming from the dashboard. I have an iOS recording that I caught last night but cannot figure out how to post it here.

No horn alert when it happens. It happens when I am solo or have a front passenger.
My airbag light is on as I believe my front left crash sensor was damage by the previous owner running with a battery with no brace. Chasing this down currently.

I have had no luck searching the web, this forum or Reddit. I am stumped.

Has anyone experienced this issue or have any guidance for me in trying to identify and resolve it?

Thank you!
 
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