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Trac off 4 lo warning light

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Old Nov 3, 2019 | 03:13 PM
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Default Trac off 4 lo warning light
I have a 2015 Lx570. The check engine light is on as well as the 4lo flashing and trac off on the display. Anyone know how to fix?
Last edited by Bhebert449; Nov 3, 2019 at 03:22 PM.
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Old Nov 3, 2019 | 06:57 PM
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I'd start by disconnecting the negative battery cable for an hour or so.

Are you seeing any maintenance related messages on the instrument panel?

This may help you with fixing your issue...
Last edited by hankinid; Nov 3, 2019 at 07:02 PM.
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Old Nov 3, 2019 | 08:08 PM
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Originally Posted by Bhebert449
I have a 2015 Lx570. The check engine light is on as well as the 4lo flashing and trac off on the display. Anyone know how to fix?
If CEL goes on, trac off goes on too. Strange system for TOYOYA. No idea about the 4LO.
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Old Nov 3, 2019 | 08:23 PM
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Originally Posted by hankinid
I'd start by disconnecting the negative battery cable for an hour or so.

Are you seeing any maintenance related messages on the instrument panel?

This may help you with fixing your issue...
instrument panel just says Trac Off. This happened after a gas fill up so thinking it was loose gas cap. I’ve removed and retightened. Will see if code resets on its own or will go by auto parts store to check the code.
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Old Nov 6, 2019 | 07:23 PM
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It was the gas cap.
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Old Dec 10, 2023 | 11:42 AM
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Originally Posted by Bhebert449
It was the gas cap.
had this happen to me too and it indeed was the gas cap.
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