Hi Sponge, I have codes quite similar to what you experienced in 2021 (https://priuschat.com/threads/is-this-the-brake-actuator-a-low-12v-battery-or.222681/#post-3115903). Did you find the cause and a solution in the end? for my problem & codes see https://priuschat.com/threads/red-triangle-of-death-wont-disappear-after-new-12v-battery.243353/#post-3401737 Thanks, Ben