Dashboard lights engine abs tyre air on 2006 Prius hybrid

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Better to know why the displayed warning lights are on, just use a toyota hybrid compatible scanner to retrieve the stored OBD2 codes.

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The TPMS light can turn on if pressure in one of the tires is 80% or less of what it should be.

The light can also turn on (usually flashes some then stays on steady) if there is a fault with the TPMS system. 99% of the time that fault is a sensor fault- dead sensor/battery, sensor ID not programmed into the ecu, or incorrect sensor.

It really helps to have a capable scantool that can talk to the TPMS system as well as a TPMS tool that can wirelessly "ping" the sensors to check function and ID numbers.
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