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TPS Light still on after checking tires

42266 Views 9 Replies 8 Participants Last post by  mcbrew, 
Hurricane Gio
All my tires are topped off to specs. Yes the light wont go off on the TPS.
Is there a reset that I am forgetting to check? This is the first time in 2 years I have had this go on.

thanks
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mcbrew
4wheeldog said:
Yep......You have to drive it. As I understand it, the Subaru system checks tire rotations speeds against each other before it will reset the light.
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BMW uses a system like that, but I'm pretty sure there are transmitters at each wheel in Subarus.

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mcbrew
4wheeldog said:
Yes, Subaru uses sensors......But one system does not preclude the other. All the ECU has to see is the speed reading from all 4 ABS sensors to ascertain whether all are within parameters.

Why else would you have to drive the car to get it to reset?
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One doesn't have to preclude the other... It just happens to in this case.
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