alfredfrank3
Seat Toledo TPMS sensor issue
Summary of the thread
A 2007 Seat Toledo owner is experiencing a 'low tire' error on the speedometer, confirmed by a sensor fault in the error memory, despite all tires being properly inflated. The issue is suspected to be a failing tire pressure sensor, possibly due to a depleted battery. Suggestions include checking the air valve for faults and considering sensor battery replacement. The problem was resolved by replacing the tire pressure sensor batteries.
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4 comment(s)
alfredfrank3 (community.author)
Interesting point about the air valve. I inspected them visually for damage, but I haven't tested their functionality. Could a faulty valve cause a constant low pressure reading, even with proper inflation? What was the resolution for your issue?
josephschubert1
Indeed, it can. The valve might not be sealing correctly, causing a slow leak and triggering the sensor. My issue turned out to be the sensor battery as well, like a dead watch battery. If you've ruled out physical damage and the pressure is correct, I'd advise taking it to a workshop for sensor diagnosis. It's the quickest way to confirm.
alfredfrank3 (community.author)
It was the tire pressure sensor battery. I replaced all four as a precaution, costing 280€. Thanks for the insight; it saved me diagnostic time.
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SEAT
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TOLEDO
josephschubert1
Sounds familiar. I had a similar issue with my Toledo. The low tire warning and the error message were irritating. Did you check the air valve itself? Sometimes it can be faulty and cause incorrect readings.