Auris Tire Pressure Sensor Fault

I've got a 2018 Toyota Auris with a gasoline engine that's throwing me for a loop. I'm getting a 'Tire pressure too low' warning light on the dash, accompanied by an error message in the speedometer. I've checked the tire pressures manually, and they're all spot on. I even hooked it up to a code reader, and it's showing a fault code related to the tire pressure sensor. Anyone else experience this? I suspect a dead sensor battery!

4 comment(s)

That's strange. You checked the pressures with a regular pressure gauge, right? And you're sure they're all the same? Maybe one of the sensors is just faulty? I don't know much about this stuff, but is it possible the system needs to be reset after you checked the tires or something?

Yeah, I used a standard pressure gauge, and they're all at the recommended PSI. A reset is a good thought, but I'm not sure how to force one. Is there some procedure, like disconnecting the battery, that might work?

I really don't know anything about resetting it, sorry... If all the tires really are good, and you're still getting the warning, and you have the error code, I guess it probably could be a faulty sensor like you thought. Seems like you'll have to bite the bullet and take it to a workshop to get it checked out, unfortunately.

Turns out you were right. It was a bad sensor. The battery in it was dead. Had to get it replaced, and the error is gone. Cost me about 280€ all in. Thanks for the input!

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