My ABS light has recently been coming on most of the time, shortly after starting my car. I took my car to AutoZone for a quick scan and I'm not sure where the best place is to start. The p0057 is intentional as I've unplugged a rear O2 sensor as a way to disable the traction control to make driving in winter easier.

Car drives fine outside of the ABS not working when the ABS light is on, which I found out recently. With winter coming, I'm hoping to get this resolved before I really need the ABS to work.

 

You can probably test the sensor itself.

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