2007 Sirion ABS Light - Left Rear ABS sensor

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hi,
my abs light is always on, we connected to pc via obd port, the fault is "left rear abs sensor". is it possible to repair the sensor? if i need a new one, where can i find it? it is to expensive and hard to find the sensor at Turkey. is toyota yaris abs sensor is compatible (or another toyota sensor)?

thanks a lot.