klausschwarz87
Supra Tire Pressure and ABS Issues
Summary of the thread
A 2023 Toyota Supra IV experienced issues with the low tire pressure light, ABS light, and steering difficulties. Despite inflating the tires, the warnings persisted, and the steering wheel vibrated, indicating potential power steering failure. The problem was traced to a faulty valve in the tire causing a slow leak, which affected the tire sensor readings. Replacing the valve and sensor resolved the issues, clearing all warnings and restoring normal steering function.
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4 comment(s)
klausschwarz87 (community.author)
Tire sensor? How do I check that? I know where it is, but is there a way to see if it's working without an expensive tool?
sebastianbecker7
On my Volvo, it was a defective valve stem on one of the tires, causing a slow leak and messing with the tire sensor readings. The system is sensitive. I'd suggest a workshop. They found it fast and confirmed it. It's worth checking if it's similar. Seems like a defect triggering all the errors.
klausschwarz87 (community.author)
Turns out, you were right! I took it to the shop this morning, and it was a faulty valve in the tire causing a slow leak. A new valve and sensor cost 280€, and all the warnings are gone. Steering is back to normal. Thanks for the help!
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TOYOTA
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SUPRAIV
sebastianbecker7
Interesting. I had something similar happen in my 2018 Volvo XC60: low tire pressure warnings, ABS light, and steering issues. Did you check the tire sensor itself, not just the tire pressure?