I had the exact thing happen in my '08 Land Cruiser. It turned out to be a malfunctioning ABS control module. My 25+ year Toyota certified mechanic told me that this malfunction simply rendered my brakes without ABS functionality, and lack of skid control functionality--that otherwise my brakes would function fine as normal brakes, just no ABS. For me, the part was going to cost around $1100 plus labor to install the new module I eventually sold my truck, without replacing the module, it didn't cause me any issues in driving it for around a year. If it was my recently purchased LX 570 I would get it replaced right away.--Good luck tracking down if this is your issue--hopefully it's a cheaper to remedy issue for you!